The glacial water in Silfra has been filtered underground for decades by lava rock. This make it one of the clearest bodies of water on earth with up to 120 m of visibility. Snorkeling in Iceland has been
The glacial water in Silfra has been filtered underground for decades by lava rock. This make it one of the clearest bodies of water on earth with up to 120 m of visibility. Snorkeling in Iceland has been