Các tấm tường mới được lắp đặt và lớp bê tông cố định vị trí chưa khô.
Agent Carlos Pitones of the Customs and Border Protection sector in El Centro, California, told CNN that the sections that gave way had recently been set in a new concrete foundation in Calexico, California. The concrete had not yet cured, according to Pitones, and the wall panels were unable to withstand the windy conditions.
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