TIL there is a circular island in Argentina, called El Ojo, almost 400 feet in diameter, floating in a slightly larger circular lake.
https://en.wikipedia.org/wiki/El_Ojo
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1ax6p9p/til_there_is_a_circular_island_in_argentina/