More than 10,000 people came out Sunday for the Clean Air Council’s 10th annual Greenfest Philly. The festival took over Headhouse Square with eco-friendly vendors, outdoor yoga,arts and crafts, rock climbing, a swap meet, food trucks, a beer garden and live music. Related: Eat a bug, save the world at Greenfest Philly Click through the slideshow above to see the bestphotos from the festival.