This wonderful place in the South Island of New Zealand is the last place not touched one in nature.
There are deep in the mountains there is the purest source of water, through which the lake is cleaner feed in the world
Blue Lagoon, located in the Nelson Lakes National Park in the South Island.
Water clean so that you can see the lake floor clearly.
Laboratory experiments suggest that you can see about seventy meters through water that lake.
In this image you can not distinguish the lake's water from the outside air.
Prohibiting swimming or bathing them, in order to preserve nature.
Scientists can only get special permission to dive in the lake and capture such images.
The tourists can walk along the beach only.
