Hydropower, solar energy, combustible ice, natural gas and geothermal energy on the Qinghai-Tibet Plateau are clean and pollution-free. The Qinghai-Tibet Plateau is known as "the closest place to the sun", with an annual sunshine time of over 3,000 hours, and is extremely rich in solar energy resources. In Tibet, solar energy is not only used for cooking and boiling water, but also for power generation, lighting and heating.
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