It initially hosted classes on the pavement outside a former pigeon roost, and has since expanded into a 10,000-square-foot circus-arts facility teaching disciplines ranging from juggling and tumbling to gymnastics and parkour. AcroSports, celebrating its 30th anniversary this year, is a success story made possible by community support, an appealing curriculum and a fun and humane atmosphere. … link to full length article at SFGate.com