File photo taken on Dec. 10, 2011 shows the total lunar eclipse in the sky above the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region (a photo made from 22 overlaid photos). Statistics showed the tourist arrivals in the Potala Palace reached 1.01 million in 2012, accounting for about one tenth of all tourist arrivals in Tibet in 2012. (Xinhua/Purbu Zhaxi)