Abraham Lake, in Alberta, Canada. 亞伯拉罕湖

Frozen methane bubbles are highly flammable and combustable (Credit: robertharding/Alamy)
BBC - Travel - World’s most bizarre natural phenomena
http://www.bbc.com/travel/story/20160725-where-nature-plays-magic-tricks

Abraham Lake - Wikipedia, the free encyclopedia

亞伯拉罕湖