Officials with the Denver International Airport will decide this year whether to move ahead with a signature rail bridge design, unveiled July 29, by architect-structural engineer Santiago Calatrava. The 720-ft-long suspension bridge would likely have a $60-million-plus price tag, which is more than double preliminary cost estimates. Photo Courtesy Of Santiago Calatrava Design by Calatrava for symmetrical suspension bridge may be too costly to build. The symmetrical, tied-arch, steel-and-concrete span is planned as part of a $650-million south terminal redevelopment, which also includes a hotel and a train station. But it is also part of a commuter rail link owned
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.