Minutes after we stepped out of the car, my daughters ran off, and I suddenly lost the urge to grab their hands and pull them towards me. The city buzz and traffic began to slip away, and the toys they were playing with in the car got tucked into the trunk. Crane flies now danced around the lighted tents as the warm spring day faded to a cooling dusk. The kids started to gather twigs and mint-colored lichen to create impromptu foraged art.