A consortium led by Beijing-based China Communications Construction Co. has won the contract to design and build the world’s longest sunken-tube tunnel for road traffic between Hong Kong, Zhuhai and Macao. The project has a tight time frame, with design expected to be completed by June 2012 and construction slated to be finished by the end of 2016. Photo: Courtesy Hong Kong-Zhuhai-Macao Bridge Authority At 4.2 miles, a sunken-tube tunnel in Hong Kong will be the world’s longest. The winning project team includes the local offices of AECOM Asia Co. Ltd., Shanghai Urban Construction (Group) Co., China Highway Planning and
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.