© under license to London News Pictures. LONDON, UK  12/06/2011.The Shard seen in June 2010. When the skyscraper is completed in 2012, it will be the tallest building in the European Union and the 45th tallest building in the world. The building has been designed with an irregular triangular shape from the base to the top. It will be clad entirely in glass. The viewing gallery and open-air observation deck will be on the top (72nd) floor. It is the second tallest free-standing structure in the United Kingdom Photo credit should read Stephen Simpson/LNP.