The place were performed using elaborate two-story pageant wagons called " Carros" .
戏剧在一种叫做“Carros(外语)”的双层豪华马车里进行表演。
英语百科
Pageant wagon
A pageant wagon is a movable stage or cart used to accommodate the mystery and miracle play cycles of the 10th through the 16th century. These religious plays were developed from biblical texts and they reached the height of their populars were allowed to stay within the churches, special stages were erected for them.