The Luanhe River Deltaic Area may be reckoned as a natural workshop for sedimentological and ichnological study with its diverse modern sedimentary environments and traces left by animals.
滦河三角洲地区现代沉积环境类型多，分布紧凑，生物繁盛，是进行沉积学和痕积学研究的理想场所。
The Luanhe River Deltaic Area may be reckoned as a natural workshop for sedimentological and ichnological study with its diverse modern sedimentary environments and traces left by animals.
滦河三角洲地区现代沉积环境类型多，分布紧凑，生物繁盛，是进行沉积学和痕积学研究的理想场所。
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