Photo taken by Chinese taikonauts Liu Boming shows Lake Urmia, one of the largest lakes in the Middle East, in rusty-red. (Photo provided by China Manned Space Engineering Office)

Photo taken by Chinese taikonauts Liu Boming shows Kizilsu Kyrgyz Autonomous Prefecture, Xinjiang Uygur Autonomous Region. (Photo provided by China Manned Space Engineering Office)

Photo taken by Chinese taikonauts Liu Boming shows Lake Balkhash, one of the largest lakes in Asia. (Photo provided by China Manned Space Engineering Office)

Photo taken by Chinese taikonauts Liu Boming shows the phoenix-shaped Lake Van, the largest lake in eastern Turkey. (Photo provided by China Manned Space Engineering Office)

Photo taken by Chinese taikonauts Liu Boming shows the Caspian Sea, the world's largest inland water body. (Photo provided by China Manned Space Engineering Office)

Photo captured by China's Shenzhou-9 crew shows the Caspian Sea, the world's largest inland water body. (Photo provided by China Manned Space Engineering Office)

Photo taken by Chinese taikonauts Tang Hongbo shows South Africa, known as the "Rainbow Nation." (Photo provided by China Manned Space Engineering Office)

Photo taken by Chinese taikonauts Tang Hongbo shows the rolling billows of sea, Peru. (Photo provided by China Manned Space Engineering Office)