The theme this week at Thursday’s in Pella is all about celebrating summer. “Summerfest” activities start at 6 p.m. Thursday. Tug of war and a rock climbing wall will be a part of activities and Digital Galleria is sponsoring inflatables and photos with characters from the movie “Frozen” Sarah Treft with the Chamber says this Thursday night’s activities are a great way to kick off the Independence Day weekend a day early. The movie Frozen will be shown outdoors following the City Band’s performance.