Renzo Piano's glass structure the Shard opens to the public on 1 February. Architecture critic Oliver Wainwright visits its 72nd floor open viewing platform -- 244 metres above ground -- to see the 40-mile view from Western Europe's tallest building. He also speaks to architect William Matthews about the glass building, which costs £25 per adult ticket to visit, and visits the Shard's gents toilet

Subscribe to The Guardian on YouTube ► http://is.gd/subscribeguardian

The Guardian publishes independent journalism, made possible by supporters. Contribute to The Guardian today ► https://bit.ly/3biVfwh

Website ► https://www.theguardian.com
Facebook ►   / theguardian  
Twitter ►   / guardian  
Instagram ►   / guardian