Street photographers should always be on the lookout for emotions. It need not be as overt as a man banging in rage on the hood of the car – often the more fleeting gestures are just as powerful.
Both these pictures could have been taken with almost any camera, but it had to be one that was ready to spring into action in an instant.
Camera in bag ? No picture.
Lens cover on ? No picture
The moral of this story, then is to always have your camera in your hand (in this case a Nikon D700) which is ready to go.