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Aerial file photo taken on June 20, 2018 shows dredgers working at the construction site of the Colombo Port City project in Sri Lanka. (CHEC Port City Colombo (Pvt) Ltd/Handout via Xinhua)
Aerial file photo taken on June 20, 2018 shows dredgers working at the construction site of the Colombo Port City project in Sri Lanka. (CHEC Port City Colombo (Pvt) Ltd/Handout via Xinhua)