We hardly ever see small-time chimney sweeps anymore, but they still exist, it seems, abroad. In Sydney, among other places, one of them is known for his courage and audacity. When he has finished his work, on the roof of a house, he never fails to show his satisfaction by placing himself on the edge of a ledge and there, beside the void, balancing for a few moments, head down, tiptoe toward the sky.

In San Francisco, the traffic on the streets is no less intense than in Paris. This prompted a city official to make a rather original bet, a bet he brilliantly won. For over an hour, this American remained balanced on the top of a ladder, in the middle of one of the busiest streets, and, perched thus, directed the movement of the cars driving around him.