CORRECTS THE FIRST NAME OF THE PROFESSOR TO RONALD, NOT RONALDO AND THE LAST NAME OF THE PHOTOGRAPHER TO CHAVEZ, NOT TORRES - A child plays seesaw installed between the border fence that divides Mexico from the United States in Ciudad de Juarez, Mexico, Sunday, July 28, 2019. The seesaw was designed by Ronald Rael, a professor of architecture in California. (AP Photo/Christian Chavez), APTOPIX