A petrol bomb explodes next to anti-riot policemen in downtown Athens on November 17, 2017, during clashes following a rally commemorating the 1973 students uprising against the US-backed military junta. Thousands marched in Greece on November 17, amid tight security, to commemorate a student uprising that helped bring down a US-backed junta in 1974. (Photo by Aris Messinis/AFP Photo)
