Here is his photography. https://www.instagram.com/joaomaiafotografo/
Now what makes him so amazing? He is blind, He says "You don't need to see to take photographs. My eyes are in my heart," he says. "When I am close enough I feel the runners' heartbeats, their steps," he said, "and then I'm ready to take the picture."
More info on Joao here : http://www.gmanetwork.com/news/story...of-paralympics