Who works in the Shard? From Tiffany's to the Shangri-La, here's a storey-by-storey breakdown of every business, hotel and restaurant in London's tallest building

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Ever walked past the Shard and wondered what's going on inside that glassy exterior?

Well, wonder no more - we've broken down every business, restaurant and hotel (not to mention those viewing desk) to show you the composition of western Europe's tallest building. Soaring 1,016ft into the sky, and at a cost of £1.5bn to develop, it's also one of Europe's most expensive developments. 

Jeweller Tiffany's is one of the latest signings, on level seven, while on the 52nd storey, customers of the Shangri-La hotel can enjoy stunning views of London while floating in its infinity pool. Further up, the lucky owners - or renters - of the building's 10 residences are experiencing the highest life in Europe: the penthouse on levels 64 and 65 is the second highest home in Europe. 

The Shard was launched amid much pomp and ceremony (aka "a laser show") in 2012. A year after it opened, lettings were slow, with more than half of its office floors still empty. But things are picking up: earlier this year, it made more than 60,000 sq ft of office lettings.

Restaurant727170696867666564636261605958575655545352515049484746454443424140393837363534333231302928272625242322212019181716151413121110987654321Ground floor:Lobby & Lang Cafe The view from the Shard (Floors 68 - 72) Opened in 2012, the top floors of the Shard form "London's highest viewing platform on top of Western Europe's tallest building". Residential flats (Floors 53 - 65) Although the Shard's developers have kept the 10 residences - some of which cover two storeys - under wraps, it is thought they are rented out. At 735ft above ground level, the penthouse is the second-highest home in Europe.With two restaurants and a cafe (Ting, Gong and Lang), the Shangri-La includes 202 guestrooms, 17 suites - and even aninfinity pool on the 52nd floor. Gong Restaurant (Floor 52) Shangri-La Hotel (Floor 36-51) Ting (Floor 35) Shangri-La Hotel (Floor 34) Hutong (Floor 33) Oblix (Floor 32) Aqua Shard (Floor 31) South Hook Gas (Floor 28) Arma Partners (Floor 27) The Office Group (Floor 24 & 25) Gallup (Floor 18) Foresight + Warwick Business School Al Jazeera (Floor 16) Mathys & Squire (Floor 15) Duff & Phelps (Floor 14) Robert Half (Floor 10) IO Oil & Gas (Floor 9) Tiffany & Co (Floor 7) HCA Hospital (Floors 7,6,5)Viewing GalleryResidentialHotelRestaurantRestaurantOfficesRestaurantHotelUS-based HCA is fitting out three storeys for a new hospital at the building - which will include private lifts for patients.