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天池唯北侧有一出口,称为闼门,即小门的意思,流经1250米的乘槎河,从悬崖上跃下,形成高67米的天池瀑布,这里即为第二松花江之源。杨丹摄
There is an exit on the north side of Tianchi, called the gate, which is the meaning of a small gate. It flows through the 1250-meter Qiantang River and jumps from the cliff to form a 67-meter high Tianchi Waterfall. Here it is the source of the second Songhua River. Yang Dan photo