1: Dubai's Burj Khalifa is the tallest building in the world, but perhaps not for long. Saudi Arabia has announced plans to build a 1 kilometer (3,280 foot) tower into the sky, to be named the Jeddah Tower, scheduled for completion in 2020. The Burj Khallifa currently stands at 2,716 ft. (Photo by Matthias Seifert/Reuters)

A worker stands by a historic building as it is moved down the block on wheels on New York Avenue to make way for a new construction July 28, 2014 in Washington, DC. A team from Expert House Movers have been moving the historic building near 4th Street which is one of the largest structures in the DC area to be moved. (Photo by Brendan Smialowski/AFP Photo)

A man sits on the window of a burning building before falling from it, in central Lahore May 9, 2013. Fire erupted on the seventh floor of the LDA plaza in Lahore and quickly spread to higher floors leaving many people trapped inside the building. At least three people fell from the high floors trying to avoid fire that engulfed the building, local media reports. (Photo by Damir Sagolj/Reuters)

The sun begins to set over this rusty beachside mansion that has been left abandoned for more than 25 years in Thailand, June 2017. A deserted beachside mansion in southern Thailand has retained its beauty – despite no one living there for more than 25 years. In June this year abandoned photographer, Dax Ward, ventured to the Prachuap Khiri-Khan Province to capture the haunting attraction on camera. (Photo by Dax Ward/Barcroft Images)

Engineer Mikhail Venin works on an antenna for the Express AM8 new generation geostationary telecommunications heavy satellite at the large-sized transformed mechanical systems centre of the Reshetnev Information Satellite Systems company in the Siberian town of Zheleznogorsk April 2, 2014. The Express AM6 is a new generation satellite providing services including Russian governmental and presidential mobile communication, digital television and broadcasting, according to the Reshetnev company representatives. (Photo by Ilya Naymushin/Reuters)

A man standing on the first cables during the construction of the Golden Gate Bridge with the Presidio and San Francisco in the background, San Francisco, California, 1935. (Photo by Underwood Archives/Getty Images)

Danny McWilliams, 56, is seen at his 36-foot-long replica of Walt Disney movie version of the Nautilus submarine from Jules Verne's “20,000 Leagues Under the Sea” at his rural home in Ellijay, Georgia, USA, 04 December 2013. (Photo by Erik S. Lesser/EPA)

Meet Claire, the 3-year-old bull terrier travels the world with Dutch photographer Alice van Kempen, 48, and poses for photographs in abandoned buildings. Van Kempen seeks out abandoned places to photograph in pursuit of her passion for urban exploring, bringing along her globetrotting pooch as her trusted companion. Here: Claire plaiyng the piano in an abandoned Cafe in Luxembourg. (Photo by Alice van Kempen/Caters News)