Talk:Update 0.15.0/@comment-28191438-20160521061728/@comment-28478783-20160523000027

Nah. It has found its way even into newer worlds. It usually occurs when two biomes meet and they are poorly mixed by the computer creating the map, possibly due to a glitch or processing error. I have a desert next to a jungle in one of my maps, and a ten-block wall of sand and sandstone separates them at one point.