Cambodia (Into the Future)

Cambodia is the 20th stage in Into the Future.

Reference

 * http://battlecats.spica-net.com/chapfuture1/s02.html
 * http://battlecats.spica-net.com/chapfuture2/s02.html
 * http://battlecats.spica-net.com/chapfuture3/s02.html