Jul 29
2025.10.09 / water drainage manhole cover, jinan
seen from China
seen from Azerbaijan
seen from United States
seen from United States
seen from Italy
seen from Portugal
seen from United States
seen from United States
seen from South Korea
seen from Sweden
seen from Poland
seen from China
seen from Kuwait
seen from Spain
seen from China
seen from Australia
seen from Malaysia
seen from Netherlands
seen from China
seen from Latvia
2025.10.09 / water drainage manhole cover, jinan
2025.10.03 / sewer manhole cover, Beijing
2025.10.03 / 什刹海 manhole cover, Beijing
2025.09.16 / PKU manhole cover
2025.09.13 / manhole cover, Dalian
2025.09.12 / manhole cover, Dalian railway station
2025.09.03 / not a manhole (?)
2025.09.02