This view of Deodoro Olympic Park shows the canoe slalom circuit, center, and BMX circuit, right, during a flight on an army helicopter in Rio de Janeiro, Brazil, April 6, 2016. Brazilian Army aviation battalions, special forces, paratroopers and soldiers from various parts of Brazil are in Rio training for the Olympic games.
This view of Deodoro Olympic Park shows the canoe slalom circuit, center, and BMX circuit, right, during a flight on an army helicopter in Rio de Janeiro, Brazil, April 6, 2016. Brazilian Army aviation battalions, special forces, paratroopers and soldiers from various parts of Brazil are in Rio training for the Olympic games. Felipe Dana AP
This view of Deodoro Olympic Park shows the canoe slalom circuit, center, and BMX circuit, right, during a flight on an army helicopter in Rio de Janeiro, Brazil, April 6, 2016. Brazilian Army aviation battalions, special forces, paratroopers and soldiers from various parts of Brazil are in Rio training for the Olympic games. Felipe Dana AP