Matsu's once secret tunnels showcase Taiwan's recent historyBeihai Tunnels one of some 200 subterranean structures built for military useApr. 12, 2024 17:24# Beihai Tunnels# Taiwan history# Matsu IslandsBeihai Tunnels one of some 200 subterranean structures built for military use# Beihai Tunnels# Taiwan history# Matsu Islands
