DETROITRenderings of the Ralph C. Wilson, Jr. Centennial ParkThe Detroit NewsA rendering shows the 22-acre site along Detroit's west riverfront that will become the Ralph C. Wilson, Jr. Centennial Park. The Detroit RiverFront Conservancy is engaging the public to help in the final design elements of the project, which is estimated to be completed in 2022.Michael Van Valkenburgh AssociatesAn inlet on the river called the cove will have a sandy beach.Michael Van Valkenburgh AssociatesThe sports house will provide courts for pickup basketball games.Michael Van Valkenburgh AssociatesThe park will include a play garden for children, with a bear sculpture holding a sliding board.Michael Van Valkenburgh AssociatesThe hill will be a gathering spot for movies or performances.Michael Van Valkenburgh AssociatesThe late Ralph Wilson Jr. of Grosse Pointe Shores, seen here in 2009, owned the NFL's Buffalo Bills for 54 years. After his death in 2014, his foundation pledged to deliver $1.2 billion over 20 years to causes that resonated with Wilson.Chris O'Meara, AP