There is nothing quieter than a deserted playground; games waiting to be played, swings waiting to be swung. Here’s a photo series of Berlin’s table tennis tables, without the ping and without the pong. As the city comes out of its winter stupor, the bounce is slowly returning and there’s a new site from Peter Ulrich — www.pingpongmap.net — that plots every Tischtennis Tisch in the country so that you can always find an empty table.