Press photo by tim gilman Robert Hachtman cools off on a sunny Father's Day with his daughter Emma at the Pop-Jet Fountain mini-park in the center of The Promenade Shops at Saucon Valley. The Bethlehem resident said his two children like the free multiple water fountain area at the circular Town Square which is designed like an arena with concrete steps. Sunday's warm weather brought out many families throughout the Lehigh Valley to savor the official first day of summer June 21.