伊人不卡,国产乱码一二三区精品,亚洲午夜综合,亚洲网站在线,亚洲国产二区三区,开心伊人网,tiantianri

Photo taken on Sept. 6, 2010 shows fossilized elephant teeth discovered in Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. Elephant fossils, dating back to 500,000 years, were discovered at Enshi on Sept. 1, 2010. (Xinhua/Song Wen)

Photo taken on Sept. 6, 2010 shows fossilized elephant teeth discovered in Enshi Tujia and Miao Autonomous Prefecture, south China's Hubei Province. Elephant fossils, dating back to 500,000 years, were discovered at Enshi on Sept. 1, 2010. (Xinhua/Song Wen)

A staff member of Xuan'en Museum introduces the fossils discovered in Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. Elephant fossils, dating back to 500,000 years, were discovered at Enshi on Sept. 1, 2010. (Xinhua/Song Wen)

Photo taken on Sept. 6, 2010 shows fossilized elephant skull discovered in Enshi Tujia and Miao Autonomous Prefecture, south China's Hubei Province. Elephant fossils, dating back to 500,000 years, were discovered at Enshi on Sept. 1, 2010. (Xinhua/Song Wen)