An engineer on the ground in Christchurch says that New Zealand�s seismic retrofit code and/or construction methods should be strengthened based on the damage to recently upgraded buildings. Photo: AP Photo/Kyodo News, Shuzo Shikano Rescuers stand atop a collapsed structure in Christchurch. Related Links: Engineers Surprised By Damage to Newer Structures The New Zealand Building Code Eyewitness Account of New Zealand Earthquake Many other Christchurch buildings, damaged in many cases as a result of soil liquefaction, were rendered uninhabitable and also still pose a public threat because they might collapse, says the engineer, Amir Gilani. Several recently seismically retrofitted buildings
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.