THE TWENTY-FIFTH Moss and weeds are growing on the empty bottom of the swimming pool between the abandoned hospital pavilions. Through the cracks of the concrete walls push strong stalks of couch-grass and bindweed. They climbed down the rusty ladder to the flat level bottom, where no water of Archimedes was displaced. There was nothing there but a dry floor, set deeper than the surrounding park. People used to swim here. Monika Tomská and Martin Vrána set foot on that moss and bindweed like astronauts on the surface of the moon. At the time of the Apollo programme, this area was completely off limits to people. The rehab swimming pool, which never functioned as such, was transformed into a reservoir for the fire brigade. But since the hospital never caught fire, the fire brigade reservo

