text: The architecture firm Populous receives most of its business by designing this kind of building.
full_question: The architecture firm Populous receives most of its business by designing this kind of building. Eduardo Souto de Moura integrated the rock wall of a quarry into his design for one of these buildings in Braga, Portugal. A two-layered building of this kind was inspired by crazed pottery and features a red concrete main structure surrounded by an irregular steel mesh. That building was a collaboration between (*) Herzog &amp; de Meuron and Ai Weiwei. A building of this type gave a new name to ChemGrass, which was used there because that building featured a domed roof. These buildings include one in Beijing is nicknamed the "Bird's Nest," as well as the Houston Astrodome. For 10 points, name these buildings where spectator sports are played. 
first_sentence: The architecture firm Populous receives most of its business by designing this kind of building.
raw_answer: stadiums [or arenas; anti-prompt on soccer stadiums or football stadiums or ballparks or similar]