It is important to note that there are no lifeguards on duty, so water ... on land, Cave Point County Park boasts a half-mile walking trail through forests of beech, maple, and birch trees ...

The show, called “Ao no Dokutsu (blue cave ... trees in Yoyogi Park in Shibuya Ward. Part of the ground is covered with sheets that reflect the lights to make it look like a cave that has water ...