"For him to go off nice and relaxed in 24 and change and come home on his own the way he did, and gallop out the way he did, and drop his head and walk home, it sent cold chills up my back, " the Hall of Fame trainer said.

WSJ: Derby winner Orb impresses with workout at Belmont

It was not the best of facilities - my locker door was busted, the shallow pool was excessively chlorinated and there was nothing hot about the hot tub - but floating in a rooftop pool before getting on my flight capped off what was the most fun I have ever had in an airport and led to a deep, relaxed sleep on the plane.

BBC: Changi: The airport of your dreams