Some Greeks stood up with thumbs down to protest, no audible booing or whistling.. The Iraqi and USA teams are mixing, with a number of athletes having a friendly chat in the middle. Huge roar for the USA team, biggest at the games crowd keeping the energy level up.Iraq entered to a roar, small male contingent proudly walking tall. Interestingly, Iraqi team was flown to the games by the Australian Air Force. North and South Korea recieve cheers as they enter together.