Five things to do this weekend.
1. The City of Alexandria will hold a 9/11 Remembrance Ceremony on Friday at noon at Market Square. 2. The Alexandria Festival of the Arts will be held along lower King Street on Saturday from 10 a.m. to 7 p.m. and Sunday from 10 a.m. to 5 p.m. 3. Hooray for Books is hosting Rocknoceros on Saturday at 11 a.m. 4. A Civil War Fashion Show will be presented at the Carlyle House Historic Park on Saturday at 10:30 a.m. 5. The Little Theatre of Alexandria presents "Rabbit Hole" on Saturday at 8 p.m.