marine-science:

marine-science:

Diver in Silfra - Þingvellir, Iceland by Vignir Már on Flickr.

Silfra is a crack between the American and Eurasian continents.
It’s where the continental plates meet and drift apart about 2cm per year.
The water is melting water from a glacier about 50km away has traveled through the lava fields for many years before coming out at the north end of Thingvellir lake through underground wells.
The water is 2°C - 4°C all year round and the visibility is over 100 meters.

(Source: orionfalls)

(Source: eli-dee)

habermannandsons:

Racing the ‘Flats’

oceanic-adventures:

Diver’s silhouette (by takau99)

(Source: sincerely-t)