Boston-3/29/13-The Ryan-Kilcoyne School of Irish Dancing from Pennsylvania give a group hug backstage moments before they went on stage in the 16-19 age group competition, during The World Irish Dancing Championships being held at the Hynes Convention Center. It is only the second time in it’s 40 year history that the eight-day event is held outside Ireland and Scotland. Organizers expect twenty-thousand people from around the globe to attend the event.