Topsfield:
From left, Celeste Certrand and her twin sister, Isacella, both 6, of Beverly, and Phoebe Holz, 7, of Danvers, build animal shelters in the woods at the Ipswich River Wildlife Sanctuary. The children are participating in the winter vacation camp where they learn about local wildlife.
Photo by Ken Yuszkus/Salem News, Wednesday, February 18, 2009