POI — Nature reserves
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Points of interest include locations of diverse leisure and infrastructure facilities for the entire Ruhr metropolis. The descriptive content is updated regularly and includes detailed information on contact addresses and equipment components.
本次收录的兴趣点（Points of Interest）涵盖鲁尔大都市圈全域内各类休闲及基础设施场所的点位信息。其描述性内容将定期更新，并包含联系地址及设施配套组成的详细信息。
