.Even at its darkest moment, when the euphoria of the Prague Spring was crushed by the Soviet invasion of 1968, Czech culture threatened resurgence. ‘A secret streamlet trickles on beneath the heavy crust of inertia, slowly and inconspicuously undercutting it,’ Václav Havel wrote in his famous 1975 open letter to communist president Gustav Husak, which resulted in Havel’s arrest. When the trickle became a torrent at the end of the 1980s, theatre played a vital role.”