Thrill-seeking couples in search of breathtaking views across London are taking to the skies and making love during tours of the 800ft Shard.
The Daily Mirror
reports that amorous couples have been using the gents' toilets on the 68th floor for secret sex romps, where there are full-length windows offering brilliant views across the capital.
But workers discovered the sex after a black thong was found in the toilets at the end of an exclusive party in the tallest building in Britain.
Meanwhile, the Daily Telegraph
reports that The Shard is bringing in a team of lawyers to investigate the allegation and a spokesman for the building said the underwear could have been 'planted'.
'There is absolutely no evidence people were having sex,' he added.
The Shard opens to the public on 1 February and there are fears the attraction could become a hotbed for lovers wanting to spice up their sex lives.
The practice of sex in the 1,016ft skyscraper has been dubbed the 'almost mile high club.'
For couples who want a discreet rendezvous in The Shard, the 200-room Shangri-La hotel will open later this year and occupies floors 34 to 52
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Save it for the bedroom! Here are ten of the world's sexiest hotels...
- Vice Versa, Paris
At the <a href="http://viceversahotel.com/" target="_blank">Vice Versa</a> in Paris it's all about the seven deadly sins. The 37 rooms at the boutique hotel were designed by lingerie queen Chantal Thomass and among them are the Lust rooms, which feature an abundance of pink silk and boudoir-style trimmings. It would be rude to resist being naughty at the hotel!</p>
- THEhotel at Mandalay Bay, Las Vegas
<a href="http://www.mandalaybay.com/" target="_blank">THEhotel at Mandalay Bay</a> is the ultimate spot to strip off in Las Vegas. The sexy resort has a Toptional™ beach at its Moorea Beach Club that is so good they had to trademark it, with exclusive dipping pools, a private pavilion, cushioned chaise longues and relaxing day beds. You can also have a poolside massage and it's a kid-free zone so you don't have to worry about behaving yourself!</p>
- The Yeatman, Porto
The revolving bed alone is a reason to get naked in the Bacchus Suite at <a href="http://www.the-yeatman-hotel.com/en/catalogue/bacchus-suite/" target="_blank">The Yeatman</a>, but the deluxe suite also has a copper tub fit for two in the main living area, sexy lighting and a glass-encased fireplace so there's really no need to cover up! Outside the suite there is a private-covered terrace and conservatory offering breathtaking views of the Douro River and UNESCO World Heritage Site Porto, where you'll be able to take in the beautiful surroundings without being seen. If you're looking for a change of scenery during your stay, the suite offers private access to the Vinotherapie Spa by Caudalie, where there's a tepidarium, hammam, sauna, Roman bath, and indoor and outdoor infinity pools.</p>
- One by the Five, Paris
The luxury, hedonistic single-suite hotel that is <a href="http://www.onebythefive.com/" target="_blank">One by the Five</a> really knows how to get its guests in a sexy mood. There's a video camera for couples to make use of privately, a cocktail station with all the ingredients for a special 'love elixir' and the walls are hung with red velvet and mirrors. The focal point is the 'floating' designer bed surrounded by clouds and fibre-optic stars.</p>
- Sanctuary Baines' Camp, Botswana
At <a href="http://www.sanctuaryretreats.com/" target="_blank">Sanctuary Baines' Camp</a> in Botswana you can fall asleep under the spectacular African night sky and take an indulgent bush bath. The five retreats at the camp offer complete privacy and you can opt to have your four-poster bed rolled out onto a candlelit wooden deck for a night's sleep outdoors. When it comes to taking a bath outside, the camp offers mobile canvas screens so you won't be seen but the stunning views from the deck won't be obstructed.</p>
- Hotel Tres, Mallorca
Sensual artwork in the bedrooms at this gem of a hotel makes it the sexiest spot in the city of Palma. As well as seductive art, <a href="http://www.hoteltres.com/" target="_blank">Hotel Tres</a> offers king-size beds, cowhides, glass bathrooms and huge sharable showers encouraging you to strip off. After dark head for the rooftop sundeck where there are loungers, a plunge pool and sauna for getting hot and steamy with a glass of cava.</p>
- The Grosvenor Hotel, London
At <a href="http://www.guoman.com/en/hotels/united_kingdom/london/the_grosvenor_hotel/index.html" target="_blank">The Grosvenor Hotel</a> in Victoria, guests can stay in the Courtesan's Boudoir aka the Cora Pearl Suite which boasts opulent French interiors, feather-trimmed lamps and an infinity bath elevated on a marble tile plinth. To keep with its provocative interiors, the hotel has launched a monthly event, An Evening of High Tease, in the Victorian Lounge, where guests can enjoy a cocktail, champagne evening tea and performances by award-winning burlesque dancer Bettsie Bon Bon.</p>
- The Bath Arms, Wiltshire
Ever stayed in a Karma Sutra-themed room? At <a href="http://www.batharms.co.uk/" target="_blank">The Bath Arms</a> in Wiltshire you can check in to a room named after the ancient Indian sex bible. Although the room is more chic than kinky, there is Karma Sutra art on the walls and risqué behaviour from couples is expected!</p>
- Andaz San Diego, California
One of Prince Harry's favourite hotels, the <a href="http://sandiego.andaz.hyatt.com/hyatt/hotels-sandiego-andaz/" target="_blank">Andaz San Diego</a> offers a sex kit complete with condoms, massage oil and a vibrator in its rooms. One of its signature rooms is the Star Suite where you can let your imagination run wild with its king shagpile bunk beds, mirrored ceiling and enormous shower that's big enough for a party! To ensure its guests have the most seductive stay in California, the hotel has even installed a stripper pole - of course!</p>
- Anantara Kihavah Villas, Maldives
If you're looking for the perfect place to spend some time in the nude in the Maldives, it's at <a href="http://kihavah-maldives.anantara.com/" target="_blank">Anantara Kihavah Villas, Maldives</a> - a spot where skinny dipping, hopping from your glass-bottom bathtub to your infinity edge pool to the ocean and getting back to nature is encouraged! The Over Water Pool Villa is a sexy hideaway offering sweeping ocean views and there is ample space in and outside get naked, from the rain shower, outdoor shower, swinging day bed and even a walk-in wardrobe.</p>