A diver works near Benthic moss pillars on the bottom of a lake around 40 kilometers south of Japan's Showa Station in Antarctica on Jan. 22, 2010. Members of the Japanese Antarctic expedition team found the moss pillars measuring 20-50 centimeters high at a depth of eight meters. (Pool photo)(Kyodo)

Photo shows colonies of Benthic moss pillars (Koke Bouzu) discovered at the bottom of ''Nagaike'' lake, some 40 kilometers south of Japan's Showa Station in the Antarctic. Members of the Japanese Antarctic expedition team found the moss pillars measuring 20-50 centimeters high at a depth of eight meters on Jan. 22, 2010. (Pool photo)(Kyodo)

Photo shows colonies of Benthic moss pillars (Koke Bouzu) discovered at the bottom of ''Nagaike'' lake, some 40 kilometers south of Japan's Showa Station in the Antarctic. Members of the Japanese Antarctic expedition team found the moss pillars measuring 20-50 centimeters high at a depth of eight meters on Jan. 22, 2010. (Pool photo)(Kyodo)

Nobuyuki Yamaura (R), chief representative of the Japan International Cooperation Agency's China Office, and Qu Guilin, director for the International Cooperation Department of China's State Forestry Administration, shake hands after exchanging contracts on conservation of the crested ibis on Jan. 29, 2010, in Beijing. The two countries inked a five-year project for diversifying habitat areas in China for one of the world's most endangered birds. (Kyodo)

Nobuyuki Yamaura (R), chief representative of the Japan International Cooperation Agency's China Office, and Qu Guilin, director for the International Cooperation Department of China's State Forestry Administration, sign a contract on Jan. 29, 2010, in Beijing, on conservation of the crested ibis. The two countries inked a five-year project for diversifying habitat areas in China for one of the world's most endangered birds. (Kyodo)