A punks sticks out his tongue at the start of the annual Rebellion Punk Rock Festival on August 4, 2011 in Blackpool, England. This weekend a clash of musical cultures hits the famous seaside town as pogoing punks attending the annual Rebellion Festival at The Winter Gardens come shoulder to shoulder with traditional holidaymakers and the waltzing dancers of the Tower Ballroom. (Photo by Christopher Furlong/Getty Images)

Visitors look at a tower exhibit of 429 different kinds of pumpkins and squash from all over the world at the Buschmann and Winkelmann pumpkin farm on October 9, 2011 in Beelitz, Germany. The farm, located in Brandenburg state near Berlin, harvests tens of thousands of pumpkins from approximately 40 different kinds between August and October and is known for its elaborate, theme-based pumpkin exhibits. (Photo by Sean Gallup/Getty Images)

Dargavs is a small necropolis outside the village of Dargavs in North Ossetia-Alania. It comprises 99 different tombs and crypts. It is often called city of the dead. Some sources say the oldest of the crypts dates back to the 12th century, though others say the oldest crypt dates back to 14th century and some say it dates to the 16th century. At the back of the complex there is a tower, though the top of it is destroyed.

The 139-year-old Victorian house known as the Englander House is hoisted on a flat bed and pulled down Franklin Street towards its new location six blocks away, as the original site is to be used to build a 48-unit, eight-story apartment building, in San Francisco, California, U.S. February 21, 2021. (Photo by Brittany Hosea-Small/Reuters)

A Guarani Mbya man smokes a pipe next to a cut tree as he occupies land as a protest against real estate developer Tenda which plans to build apartment buildings here, next to his indigenous community's land in Sao Paulo, Brazil, Thursday, February 6, 2020. In response to an injunction filed by the builder, a judge has authorized the eviction of the indigenous protesters from the builder's property. (Photo by Andre Penner/AP Photo)

In this July 23, 2013 photo, sand fills an abandoned house in Kolmanskop, Namibia. Kolmanskop, was a diamond mining town south of Namibia, build in 1908 and deserted in 1956. SInce then, the desert slowly reclaims its territory, with sand invading the buildings where 350 German colonists and more than 800 local workers lived during its hay-days of the 1920s. (Photo by Jerome Delay/AP Photo)

People look at French artist Clement Briend's photographic light installation “Divine Trees”, which features images of divine figures highly revered in Asian cultures projected on trees towering over bystanders, during a media preview of the Singapore Night Festival in Singapore August 21, 2014. The Singapore Night Festival begins on Friday. (Photo by Edgar Su/Reuters)

These are the ambitious plans which suggest skyscrapers of the future may house an entire city. The Endless City project is an award-winning proposal by sure Architecture, who propose turning skyscrapers into complete ecosystems. London is the proposed city for the mixed-use tower – which would feature huge ramps linking different sections of the structure. The company, whose design won the SkyScrapers and SuperSkyScrapers Competition, insist the structure would be a great space-saver in dense cities which have previously spread outwards rather than upwards. (Photo by Caters News)