Cool turquoise waters of the mountain river Verzasca in Switzerland are crystal clear. From the depth of 10 m (33 ft.) one can easily see the bridge across its valley.
1
2
3
4
5
6
7
8
9
10
11
12
ess7p33vsovl-r8oyo89tyc:v7cs9nc83/0w/30.3v-teoroyyoe2olu2r6o2tjrlr:2tor:jjjsss9es8y