“Shadowland” — a multimedia, projected shadow play with acrobatic dance and an original score — will launch the Collins Center for the Arts’ 2017–18 season at 8 p.m. Saturday, Sept. 16. This year’s gala presentation by Pilobolus is the dramatic story of a young girl’s sensational world as she comes of age. “Shadowland” will be read more ‘Shadowland’ one of many highlights of CCA’s 2017–18 season