Modern Mansion World (zip).zip is a release file of the Minecraft map Custom Hardened Stained Clay Modern House, made for Minecraft 1.8. It was published on December 31, 2015 and is 5.4 MB in size. For the full description, screenshots and every other version, visit the Custom Hardened Stained Clay Modern House map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.