City of London's third tallest skyscraper, The Diamond, revealed

Tower will be able to accommodate more than 6,000 workers with free public viewing galleryA 56-storey tower called The Diamond is set to join the growing cluster of skyscrapers in the City of London and will be the financial district’s third-tallest building when completed.The planned 263.4m tower at 100 Leadenhall Street will rank behind 1 Undershaft at 290m, nicknamed the Trellis, where work is yet to start, and 22 Bishopsgate, the reworked Pinnacle at 278m, which is under construction.