The world's busiest land port crossing, at San Ysidro, Calif., reopened its 24 northbound travel lanes from Mexico on Sept. 18, five days after a 50-ft by 50-ft temporary wood platform, meant to catch demolition waste on a $577-million border station renovation, collapsed and rained heavy debris on vehicles and personnel. One construction worker was seriously injured, and 16 other people also were hurt, including three laborers. Concrete, metal supports, wooden planks and a large black tarpaulin damaged 15 vehicles. Rescuers extracted three people from the wreckage.Miller Environmental Inc., Anaheim, Calif., was removing plaster from an administration building set for
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.