of the world"s 15 species of crane.six live in Zhalong National Namre Reserve， a 210,000-hectare wetland in China, Consisting of manv small lakes，swanaps and sprawling meadows.the wetland is tlle most Intact.pnstlne and vast marsh in the north, The wetland is an ideal habitat for many species and a resting place for many cross-border migrating birds Some 290 bird species and other wildlife call it home.