観光ガイド 説明の「お題」

Ramsar Convention

The Convention on Wetlands is an intergovernmental treaty that provides the framework for national action and international cooperation for the conservation and wise use of wetlands and their resources.
(引用:www.ramsar.org)

 三密：密閉、密集、密接 
Sanmitsu: Mippei Misshuu Missetsu

 Three Cs

Closed spaces
Crowded places
Close-contact setting

Goshuin