Teenagers play at the Five Dock Park's cement skateboard & it BMX bike bowl. It is the only one in NSW & kids are calling for more to be built by local councils as they come from as far away as Woolongong, Miranda, Mount Druitt and Mona Vale to use it.Lef [Getty Images]

Teenagers play at the Five Dock Park's cement skateboard & it BMX bike bowl. It is the only one in NSW & kids are calling for more to be built by local councils as they come from as far away as Woolongong, Miranda, Mount Druitt and Mona Vale to use it.Left to right -- Stephen Godfrey, 20, Kingsgrove and rt, Anthony Boyd 21, Bexley. August 17, 1986. (Photo by Trevor James Robert Dallen/Fairfax Media via Getty Images). — see more

Teenagers play at the Five Dock Park's cement skateboard & it BMX bike bowl. It is the only one in NSW & kids are calling for more to be built by local councils as they come from as far away as Woolongong, Miranda, Mount Druitt and Mona Vale to use it.Left to right -- Stephen Godfrey, 20, Kingsgrove and rt, Anthony Boyd 21, Bexley. August 17, 1986. (Photo by Trevor James Robert Dallen/Fairfax Media via Getty Images).