Since the beginning of this year, a number of major renewable energy projects have been vigorously promoted, and solid steps have been taken in the development of green and low-carbon energy.On the Qinghai Tibet Plateau, at an altitude of 3300 meters, the Qinghai Ma'erdu Hydropower Station is bustling with more than 3600 builders overcoming difficulties such as hypoxia on the plateau, fighting day and night...