Así luce el que será el edificio más grande del mundo

This picture taken on August 4, 2013 shows a general view of the under-construction Shanghai Tower (C) and the 492m Shanghai World Financial Center (R), the 421m Jin Mao Tower (L) in Shanghai. Work on the main structure of the world's second tallest skyscraper was completed on August 3 as a crane placed a steel beam 580 meters (1,900 feet) above the ground, as the building formally overtook Taiwan's 509 meter tall Taipei 101 building to become the tallest tower in Asia. CHINA OUT AFP PHOTO

This photograph taken on August 2, 2013 shows journalists inside the under-construction Shanghai Tower in Shanghai. Work on the main structure of the world's second tallest skyscraper was completed on August 3 as a crane placed a steel beam 580 meters (1,900 feet) above the ground, as the building formally overtook Taiwan's 509 meter tall Taipei 101 building to become the tallest tower in Asia. AFP PHOTO/Peter PARKS

This photograph taken on August 3, 2013 shows a photo vendor in front of the Shanghai skyline and the under construction Shanghai Tower (R). Work on the main structure of the world's second tallest skyscraper was completed on August 3 as a crane placed a steel beam 580 meters (1,900 feet) above the ground, as the building formally overtook Taiwan's 509 meter tall Taipei 101 building to become the tallest tower in Asia. AFP PHOTO/Peter PARKS

This picture taken on August 4, 2013 shows a general view of the under-construction Shanghai Tower (C) and the 492m Shanghai World Financial Center (R), the 421m Jin Mao Tower (L) in Shanghai. Work on the main structure of the world's second tallest skyscraper was completed on August 3 as a crane placed a steel beam 580 meters (1,900 feet) above the ground, as the building formally overtook Taiwan's 509 meter tall Taipei 101 building to become the tallest tower in Asia. CHINA OUT AFP PHOTO

This photograph taken on August 2, 2013 shows a general view from the top of the under-construction Shanghai Tower in Shanghai. Work on the main structure of the world's second tallest skyscraper was completed on August 3 as a crane placed a steel beam 580 meters (1,900 feet) above the ground, as the building formally overtook Taiwan's 509 meter tall Taipei 101 building to become the tallest tower in Asia. AFP PHOTO/Peter PARKS

The Shanghai Tower (R) stands next to Shanghai Global Financial Hub (C) and Jin Mao Tower in the Lujiazui area of Pudong district in Shanghai on July 30, 2013. The The Shanghai Tower will see its main structure's construction completed on August 3rd and will become China's tallest building with a total height of 632 meters. CHINA OUT AFP PHOTO

Construction workers watch as the final steel beam is hoisted to be put in place in a ceremony for the topping out of the Shanghai Tower in Shanghai on August 3, 2013. Work on the main structure of the world's second tallest skyscraper was completed as a crane placed the steel beam 580 meters (1,900 feet) above the ground as the building formally overtook Taiwan's 509 meter tall Taipei 101 building to become the tallest tower in Asia. AFP PHOTO/Peter PARKS

Journalists look at the view from the top of the under construction Shanghai Tower in Shanghai on August 2, 2013. The Shanghai Tower at 632m will be the tallest building in Asia and the second tallest building in the world. AFP PHOTO/Peter PARKS

Cranes are seen on the upper part of the Shanghai Tower in the Lujiazui area of Pudong district in Shanghai on July 30, 2013. The building will see its main structure's construction completed on August 3rd and will become China's tallest building with a total height of 632 meters. CHINA OUT AFP PHOTO