亚洲色怡人综合网站,国产性夜夜春夜夜爽,久久97AV综合,国产色视频一区二区三区

A man holds a giant Chinese salamander in this undated handout. A giant Chinese salamander that predates Tyrannosaurus rex and the world's smallest frog are among a group of extremely rare amphibians identified by scientists as being in need of urgent help to survive. This salamander can grow to up to 1.8m in length and has evolved independently from all other amphibians on the planet.