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January 07, 2016 - Road ecology blog: Mitigation measures against erosion at site where land slides have occurred in the past, Parque Estad...
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December 29, 2015 - Road ecology blog: Rolling dip to deflect water off the road surface, Parque Estadual 'Carlos Botelho', São Paulo, Brazi...
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August 25, 2014 - Road ecology blog: Wildlife warning sign and road-killed capybara (Hydrochoerus hydrochaeris), Piracicaba, São Paulo, Br...
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December 02, 2013 - Road ecology blog: Retaining wall with rock pattern, California, USA.
Click here for other images of retaining walls....
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