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]