The folds and creases of life—those indelible marks that make us who we are—are traversed in City Lights Theater’s season-opening production of Animals Out of Paper. Written by Rajiv Joseph, whose play The North Pool saw its world premiere in Palo Alto two years ago, and whose Bengal Tiger at the Baghdad Zoo was a Pulitzer Prize finalist, Animals is a delicate exploration of three people, the marks the world has left on them and the marks they leave on each other.