Spring break gives businesses in downtown San Antonio a boost FacebookTwitterEmail 1of3 People dine at Casa Rio on the River Walk on Friday, March 5, 2021. The tables are separated by clear partitions.Billy Calzada /Staff PhotographerShow MoreShow Less 2of3 Some people wear masks and some do not as they tour the Alamo on Wednesday, March 10, 2021.Billy Calzada /Staff PhotographerShow MoreShow Less 3of3 A year ago, the thrum of tourists and convention-goers in San Antonio’s downtown went quiet. The River Walk, Market Square and Alamo Plaza emptied out. Restaurants, bars, shops and hotels wen...