Hikers in New Zealand risk polluting the “clearest lake in the world” with a microscopic alga carried on their boots.
The USA has various awe-inspiring natural wonders you can visit and explore, including canyons, mountains, waterfalls, rivers ...
The title of “clearest lake in the world” and photos of the stunning landscape have since been shared widely on social media, making the lake a popular tourist destination between December and ...
The lake was always known for its pristine waters, but in 2013 scientists published research on the lake’s clarity, revealing that, like pure water, it had a visibility of between 70 and 80 ...