ARCHITECTURE Structures to surprise From London to Helsinki, Europe boasts some of the world's finest architecture, as these Instagram photos show... @elena_cavallin 400-year-old Castello di Sammezzano is a multicoloured fairytale castle left abandoned in the Tuscan hills. rld's House is the wo Gardens' Palm w Built Ke e. ur ns ct lli ru co st er n ass and iro @jadecoop gl ian or ct Vi ng hu survivi upturned ll. most important , it resembles an es qu ni ch te g in using ship-build @superchinois801 Porto's 18th-century Carmo church has a unique outside wall covered in Azulejo glazed mural tiles that tell the story of the Carmelite order. 31