雄伟的东北第一高山——长白山老岭山脉中段镶嵌着八块碧玉般的火山口湖,当地人称之为龙湾。龙湾位于各火山锥体顶部,系火山爆发熔岩陷落后形成的漏斗型洼地。地下汩汩喷涌的泉水、天上纷纷降落的雨雪汇集而成了龙湾的深潭碧水。其形状以圆形居多,少数为椭圆、半环、葫芦和类三角形,分别名为:大龙湾、小龙湾、二龙湾、三 The majestic first mountain in northeastern China - Changbai Mountain Laoling mountains inlaid with eight jade-like crater lake, locals call it Longwan. Longwan cone located in the top of the volcano, the Department of volcanic lava formed after the collapse of the funnel-shaped depression. Underground 汩 汩 spewing spring water, rain and snow have landed one after another from the pool of Longwan clear water. The shape of the majority of round, a small number of oval, half-ring, gourd and triangular, respectively, as: Dragon Bay, Little Bay, Bay, Bay