Tonkin Liu Architects, based in London, unveils its competition-winning design proposal for the Trade Center in Zhengzhou, China. The 'Cradle Towers' of Zhengzhou is composed of 5 mixed-use towers, housing residential facilities, offices, and a hotel. The 5 towers emerge from a ring-like podium which houses retail and leisure facilities. The ring acts a transitional element between the city and the soft landscape within its perimeter.