Kingdom Tower Saudi Arabia to build world's tallest tower, reaching 1 kilometer into the sky

STORY HIGHLIGHTS

• Saudi Arabia is set to start on Kingdom Tower, slated to be the world's tallest building
• The Kingdom Tower will reach 3,280 feet, have 200 floors and cost $1.2 billion
• It would require 5.7 million square feet of concrete and 80,000 tons of steel
• The foundations would be 200 feet (60 meters) deep

(CNN) -- Dubai, long champion of all things biggest, longest andmost expensive, will soon have some competition from neighboring Saudi Arabia.

Dubai's iconic Burj Khalifa, the world's tallest building, could be stripped of its Guinness title if Saudi Arabia succeeds in its plans to construct the even larger Kingdom Tower in Jeddah -- a prospect looking more likely as work begins next week, according toConstruction Weekly.

Source: http://edition.cnn.com/2014/04/17/world/meast/saudi-arabia-to-build-tallest-building-ever/