Wikimedi'Òc

June 7, 1935. Daikonjima Island No. 2 Lava Tube Tunnel Natural Monument Designation Notification Document. 01.jpg - さかおり

June 22, 1935. Daikonjima Island No. 2 Lava Tube Tunnel Natural Monument Designation Notification Document.jpg - さかおり

Daikonjima Island No. 2 lava tube tunnel. Sign.jpg - さかおり

Daikonjima Island No. 2 lava tube tunnel. Cave entrance stairs.jpg - さかおり

Daikonjima Island No. 2 lava tube tunnel. Cave entrance appearance. B.jpg - さかおり

Daikonjima Island No. 2 lava tube tunnel. Cave entrance appearance. A.jpg - さかおり

Daikonjima Island No. 2 lava tube tunnel. Cave entrance appearance. C.jpg - さかおり

Daikonjima Island No. 2 lava tube tunnel. Cave entrance appearance. D.jpg - さかおり