Tokyo Skytree

Tokyo Skytree is a broadcasting and observation tower in Sumida, Tokyo. At 634 meters, it is Japan’s tallest structure.

Broadcasting tower: A tall structure designed to transmit radio or television signals over a wide area. Tokyo Skytree carries digital television and radio broadcasts across the Tokyo region.
Digital terrestrial television: Television broadcasting transmitted digitally from ground-based stations to receiving antennas. Tokyo Skytree serves as a major transmission point for terrestrial digital television in the region.
NHK: Japan’s public broadcaster, established in 1926 and funded primarily through receiving fees. NHK helped initiate the tower project as Tokyo’s existing broadcast facilities faced signal obstacles.
Tembo Deck: Tokyo Skytree’s lower observation deck, located 350 meters above ground. It provides the first elevated public viewing level inside the tower.
World's tallest tower: A title for the tallest freestanding tower, distinct from the tallest building category. Tokyo Skytree held this record after its completion, drawing global attention to its scale.
Observation tower: A tall structure built to provide elevated public views of its surroundings. Its two public observation decks make the tower a visitor attraction as well as infrastructure.
Central mast structure: A structural arrangement in which a central mast works with surrounding supports to resist lateral movement. A central shaft and surrounding frame contribute to the tower’s resistance to shaking.
Sumida, Tokyo: A special ward in northeastern Tokyo, Japan, on the eastern side of the Sumida River. The tower stands in Sumida, anchoring a major redevelopment project in the ward.
Tembo Galleria: Tokyo Skytree’s upper observation area, with a sloping glass corridor reaching 450 meters above ground. Its rising passage offers the tower’s highest public viewpoint.
Tokyo skyline: The changing profile of tall buildings and landmarks visible across Tokyo. The tower’s height and distinctive form made it a defining feature of the city’s skyline.

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