sixpenceee:The Macocha Abyss is a sinkhole in the Moravian Karst… 2015-03-21 ~ J-Newlz Tumblr sixpenceee: The Macocha Abyss is a sinkhole in the Moravian Karst cave system of the Czech Republic Published by J-Newlz Tumblr View all posts by J-Newlz Tumblr