More to explore:
The Verzasca River in Switzerland is so clean you can see down 50 feet to the riverbed as shown in this underwater shot, via pinterest...
porto katsiki, lefkada, greece
Cala Dogana, Levanzo, Italy
THE DREAM JUMPER'S PROMISE - Find out what happened the day Hank went surfing off Maui and never returned. amzn.com/B00AA4FAJC Scuba diving
tubing down the river