Tibetans wake up to nosebleeds in super-dry autumn
"As it stands, there is little water component in the air in the Sunlight City which sits at 3,700 metres above sea level, making the weather extremely dry and things flammable," Xinhua news agency quoted the Lhasa Observatory as saying.
"The weather has also caused many Tibetans to wake up to nosebleeds."
The observatory has reported record low humidity in Lhasa since October while most of China's south had rainfall.
Tibet, long regarded as sensitive to the effects of global warming, is heating up faster than anywhere else in the world, state media has said.
Scientists have warned that the warming Qinghai-Tibet plateau will melt glaciers, dry up major Chinese rivers and trigger drought, sandstorms and desertification.
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