Under normal circumstances, most people would envy Vaclav Richter his flat in Prague's Old Town, down near the river and right by the medieval Convent of Saint Agnes. But because of the floods Vaclav, who works as a journalist here at Radio Prague, was among the 50 thousand Prague citizens evacuated last week. After several nervous days of no news about the state of his house, he decided to ignore police cordons and go and have a look. This in itself was something of an adventure, and as Vaclav Richter now tells us, he suddenly found himself