Edition:
United States
Pictures | Mon Apr 21, 2014 | 11:40am EDT

Celebration of marijuana

<p>A woman smokes marijuana during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. Thousands of marijuana enthusiasts gathered in Colorado and Washington state over the weekend for an annual celebration of cannabis culture with rallies, concerts and trade shows in the first two states to legalize recreational marijuana. REUTERS/Mark Leffingwell</p>

A woman smokes marijuana during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. Thousands of marijuana enthusiasts gathered in Colorado and Washington state over the weekend for an annual celebration of cannabis culture with...more

A woman smokes marijuana during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. Thousands of marijuana enthusiasts gathered in Colorado and Washington state over the weekend for an annual celebration of cannabis culture with rallies, concerts and trade shows in the first two states to legalize recreational marijuana. REUTERS/Mark Leffingwell

Close
1 / 14
<p>A woman takes part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri</p>

A woman takes part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri

A woman takes part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri

Close
2 / 14
<p>A participant practices rolling a joint at the Cannabis Carnivalus 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond</p>

A participant practices rolling a joint at the Cannabis Carnivalus 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

A participant practices rolling a joint at the Cannabis Carnivalus 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

Close
3 / 14
<p>Nick Cookro, 34, of Seattle inhales marijuana smoke from a plastic bag as Lina Joseph of Puyallup, Washington looks on, at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond</p>

Nick Cookro, 34, of Seattle inhales marijuana smoke from a plastic bag as Lina Joseph of Puyallup, Washington looks on, at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

Nick Cookro, 34, of Seattle inhales marijuana smoke from a plastic bag as Lina Joseph of Puyallup, Washington looks on, at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

Close
4 / 14
<p>Cookies shaped like marijuana leafs are pictured at the Cannabis Carnivalus 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond</p>

Cookies shaped like marijuana leafs are pictured at the Cannabis Carnivalus 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

Cookies shaped like marijuana leafs are pictured at the Cannabis Carnivalus 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

Close
5 / 14
<p>Participants smoke marijuana around 4:20 pm at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond</p>

Participants smoke marijuana around 4:20 pm at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

Participants smoke marijuana around 4:20 pm at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

Close
6 / 14
<p>People take part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri</p>

People take part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri

People take part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri

Close
7 / 14
<p>T-shirts and other merchandise are pictured at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond</p>

T-shirts and other merchandise are pictured at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

T-shirts and other merchandise are pictured at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

Close
8 / 14
<p>A woman blows smoke rings with marijuana smoke during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. REUTERS/Mark Leffingwell</p>

A woman blows smoke rings with marijuana smoke during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. REUTERS/Mark Leffingwell

A woman blows smoke rings with marijuana smoke during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. REUTERS/Mark Leffingwell

Close
9 / 14
<p>Armed security personnel scan the crowd from a 20-foot-tall platform during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. REUTERS/Mark Leffingwell</p>

Armed security personnel scan the crowd from a 20-foot-tall platform during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. REUTERS/Mark Leffingwell

Armed security personnel scan the crowd from a 20-foot-tall platform during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. REUTERS/Mark Leffingwell

Close
10 / 14
<p>People take part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri</p>

People take part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri

People take part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri

Close
11 / 14
<p>Mitchell Ashton, Amber Arrington, and Auto Octavius roll joints at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond</p>

Mitchell Ashton, Amber Arrington, and Auto Octavius roll joints at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

Mitchell Ashton, Amber Arrington, and Auto Octavius roll joints at the Seattle Hempfest 4/20 event in Seattle April 20, 2014. REUTERS/Jason Redmond

Close
12 / 14
<p>People take part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri</p>

People take part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri

People take part in a 420 dance party, an event celebrating marijuana culture, at Central Park in New York April 20, 2014. REUTERS/Carlo Allegri

Close
13 / 14
<p>A man smokes marijuana from a pipe during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. REUTERS/Mark Leffingwell</p>

A man smokes marijuana from a pipe during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. REUTERS/Mark Leffingwell

A man smokes marijuana from a pipe during the 4/20 Rally at the Civic Center in Denver, Colorado, April 20, 2014. REUTERS/Mark Leffingwell

Close
14 / 14

Next Slideshows

Holy Week

Christian faithful celebrate Holy Week.

Apr 18 2014

New York Auto Show

New looks and designs at the New York International Auto Show.

Apr 18 2014

El Diablo's bicycles

The two-wheeled creations of Didi Senft, who is a fixture at sporting events in his red devil costume.

Apr 18 2014

Rob Ford for mayor

Toronto mayor Rob Ford at his campaign for re-election launch party.

Apr 17 2014

MORE IN PICTURES

First 100 days of Trump

First 100 days of Trump

Major moments from the first days of the Trump administration.

Republicans pull healthcare bill

Republicans pull healthcare bill

President Donald Trump suffered a stunning political setback in a Congress controlled by his own party when Republican leaders pulled legislation to overhaul Obamacare, a major 2016 election campaign promise of the president and his allies.

Sunken South Korean ferry raised

Sunken South Korean ferry raised

The Sewol ferry that sank nearly three years ago, killing 304 people, most of them children on a school trip, slowly emerges from a gray sea.

Photos of the week

Photos of the week

Our top photos of the week.

The scramble for healthcare bill votes

The scramble for healthcare bill votes

GOP lawmakers struggle to overcome differences as a dramatic vote on healthcare looms.

Flashback: Egypt's Arab Spring

Flashback: Egypt's Arab Spring

A look back at the Egypt uprising that led to the overthrow of president Mubarak in 2011. Mubarak, the first leader to face trial after the Arab Spring protests that swept the region, was freed after six years in detention.

Highlights from Tokyo Fashion Week

Highlights from Tokyo Fashion Week

Backstage and collection highlights from Tokyo.

Iraqi forces edge further into Mosul

Iraqi forces edge further into Mosul

Iraqi forces enter Mosul's Old City as Islamic State militants put up fierce resistance from the close-packed houses and narrow streets.

Mourning for London

Mourning for London

The world grieves after a deadly attack near parliament in London.

Newer Slideshows Older Slideshows

Trending Collections

Pictures