Cuba's ruling party leader Raul Castro (2nd, R) and President Miguel Diaz-Canel (2nd, L) attend a celebrating event to mark International Workers' Day in the Revolution Square, Havana, Cuba, May 1, 2018. (Xinhua/Joaquin Hernandez)
Int'l Workers' Day marked across world
Source: Xinhua| 2018-05-02 07:47:11|Editor: Chengcheng