Battleship island – a symbol of Japan's progress or reminder of its dark history?

Japan seeks Unesco recognition for Hashima island, known as Battleship island, but the bid makes no mention of its history as a site of slave labour

https://www.theguardian.com/world/2015/jul/03/battleship-island-a-symbol-of-japans-progress-or-reminder-of-its-dark-history