Pelli Clarke & Partners' A District tower, a 330-meter mixed-use high-rise in central Tokyo, has finally topped out to become the tallest building in the country. The tower is part of the Tora Asa urban village, which aims to forge a city within the city and revitalize Tokyo's city center. A District Tower will feature large-scale office spaces, residences, a school, a medical center, and retail facilities, along with vast green spaces on the ground floor.