Tokyo Skytree is a broadcasting, restaurant, and observation tower in Sumida, Tokyo, Japan. The tower has seismic proofing, including a central shaft made of reinforced concrete. The main internal pillar is attached to the outer tower structure 125 meters (410 ft) above ground. It became the tallest structure in Japan in 2010 and reached its full height of 634.0 metres (2,080 ft). [
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