This is the Fählensee in the Alpstein near Appenzell (Switzerland) with very clear water. Sometimes the lake is like a mirror.

- Image ID: T7Y8EF

This is the Fählensee in the Alpstein near Appenzell (Switzerland) with very clear water. Sometimes the lake is like a mirror.

Reto Fritsche / Alamy Stock Photo

Image ID: T7Y8EF

Location: Appenzell, Switzerland