Workers patrol among the photovoltaic equipments in Hami, northwest China's Xinjiang Uygur Autonomous Region, March 16, 2012. Hami, which locates in the east of Xinjiang, develops industrial economy relying on rich resources and location advantages. The industrial added value here achieved a year-on-year increase of 32.5 percent, reaching 12.197 billion yuan (1.95 billion US dollars) in 2013.(Xinhua/Cai Zengle)