Workers are seen at a construction site on International Workers' Day in Tehran, capital of Iran, on May 1, 2018. (Xinhua/Ahmad Halabisaz)
Int'l Workers' Day marked across world
Source: Xinhua| 2018-05-02 07:47:11|Editor: Chengcheng
Workers are seen at a construction site on International Workers' Day in Tehran, capital of Iran, on May 1, 2018. (Xinhua/Ahmad Halabisaz)