Units of ZOMO (Motorized Reserves of the Citizens' Militia) perform during reenacted street riots - a reconstruction of historical events of 13 December 1981, in Lublin, Poland. Martial law in Poland was declared by former general Wojciech Jaruzelski on 13 December 1981 aiming to block reforms urged by the 'Solidarity' movement.

Wojciech Pacewicz/EPA

Units of the Zomo riot police take part in a re-enactment of riots that took place on December 13 1981, in Lublin, Poland, when martial law was declared by General Wojciech Jaruzelski, with the aim of blocking reforms urged by the Solidarity movement