Easy to build, lightweight, and multifunctional, the dome house has long been the domicile of choice in science fictional futures, but rarely seen here on Earth. Now that's all changing. In Aso Farm Land resort village in Kyushu, locals have built over 400 dome buildings that are used for everything from housing to bathhouses. Pink Tentacle has a fascinating photo essay about the dome city, which you can see here. [Pink Tentacle]