ShotHotspot has mapped 8 abandoned places in Langfang Shi, Hebei Sheng, ranked by how often they're photographed, viewed and voted for. The most popular are Sunrise Forbidden City, 2016_04_08 Tianjin Abandoned Bicycles and Shougang Steel Works. Some are private property or unsafe, so get permission before you visit.
We don't know whether you're allowed to visit any of these places. Many are private property, closed to the public or unsafe: get permission from the owner or the relevant authority, and take safety precautions.
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