NATURE
article : http://www.thisiscolossal.com/2016/02/frozen-lake-superior/
http://www.thisiscolossal.com/2015/06/remarkable-footage-of-exploding-plants/
article : http://www.thisiscolossal.com/2016/02/frozen-lake-superior/
http://www.thisiscolossal.com/2015/06/remarkable-footage-of-exploding-plants/