Straight up with a twist: Russians to build Europe's tallest building right next door to the current highest and at 703 metres it will be more than DOUBLE the height of the Shard The second-tallest skyscraper in the world is set to be built in Russia next to the tallest building in Europe The Lakhta Centre II is set to be built in St Petersburg and will be 703 metres tall with 150 floors The skyscraper will be beaten in height only by Dubai's famous Burj Khalifa, which stands at 828 metres Top floor will be 590 metres from the ground, making it world's highest occupied floor and viewing gallery