Susan Kolls stays cool Monday afternoon while walking through the Mill River in Williamsburg carrying a chair on her back, picking up trash and looking for an out-of-the-way spot to sit down. STAFF PHOTO/CAROL LOLLIS

Susan Kolls stays cool Monday afternoon while walking through the Mill River in Williamsburg carrying a chair on her back, picking up trash and looking for an out of the way spot to sit down. STAFF PHOTO/CAROL LOLLIS—