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First Day Cover
首日封
Sobrescrito de 1.º Dia
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30th Anniversary of Polar Scientific Expeditions of China
Date of Issue : 20 November 2014
The polar expeditions of China date back to the early 1980s with China sendings its first scientific expedition to the South pole in 1984. So far, the "one vessel, five research stations" network has taken shape. The Great Wall Station, Zhongshan Station, Kunlun Station, and Taishan Station have been established in the South pole and the Yellow River Station in the North Pole. Xuelong (literally Snow Dragon) polar research vessel has been in operation since 1994.
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