I saw them coming across the junction. They saw me too, camera in hand, and performed, yelling and shouting and waving and whooping.

London had been gripped in a friendly hub of Olympic joy, and here as they sailed past in a moment, strangers were all Londoners laughing together, teasing as if we'd known each other for a lifetime.

And then they were gone, carrying the fun I'd offered them along with their laughter as they whooped into the distance, knowing I could hear them. I closed up my camera bag and carried their images with me across the road and beyond.