Valley is the birthplace of civilization, East Sichuan Jialing River is the cradle of history and culture for East Sichuan.
川东嘉陵江流域是孕育川东历史文化的摇篮,也是地方经济文化的生命线。
参考来源 - 川东嘉陵江流域旅游产品开发研究（研究生论文）The Heilong River Valley is one of the few places where are the natural habitats for the wild lotus.
黑龙江流域是我国确实存在野生莲的少数地区之一。
参考来源 - 黑龙江流域野生莲的遗传多样性There are many characters in the Tibet traditional buildings, of which the most important one in the plan is that they are almost located on the flatlands under the river valley or on the hill.
西藏传统建筑特点很多，就其分布而言，主要有两种方式：一、河谷平原分布，二、依山而建。
参考来源 - 自由生长的西藏传统建筑—《中外建筑》—2008年第10期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
N-COUNT/N-IN-NAMES A valley is a low stretch of land between hills, especially one that has a river flowing through it. 山谷
...a wooded valley set against the backdrop of Monte Rosa.
…罗莎峰前一个林木繁茂的山谷。
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