Chinese officials are investigating why a 13-story apartment building under construction in Shanghai toppled over suddenly, almost intact, killing one worker. The building was supported by piles that were suppose to be buried deeply but which were uprooted in the riverfront construction site accident. The building, one of 11 others at the Lotus Riverside complex, had 629 units. Photo: AP / Wideworld
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.