2026/6/4 · 8:40
Hashima Island: The Ghost City That Was Once Denser Than Manhattan
In 1959, this tiny 6-hectare Japanese island crammed 5,259 people into crumbling concrete towers — denser than Manhattan. When the coal mine closed in 1974, everyone left overnight. Now it's a UNESCO ghost island.
One surprising city fact per day — the hidden stories behind streets, subway stations, and skylines you thought you knew.
このコンテンツについて、さらに観点や背景を補足しましょう。