Join the PVAS teaching staff for a winter solstice celebration at Cool Spring Preserve! We'll set out on a night hike around the preserve listening for owls and looking for signs of other creatures of the night. Then, we'll sip hot chocolate and roast marshmallows by a cozy campfire while listening to campfire stories. We'll provide the hot chocolate, marshmallows and roasting sticks. You are welcome to bring your own supplies for S'mores. $15 members/ $20 non-members per group Sign…