sentences:  The Chicago Park District maintains several beaches and also operates a all-concrete skatepark, just south of the 31st Street Beachhouse.It has been widely reported that when U.S. President Barack Obama returns to visit his Chicago home in the Kenwood community area, he is transported by helicopter from O'Hare International Airport to Burnham Park, where he is transferred to his motorcade.The park includes two harbors for the docking of fishing and leisure craft.