Curitiba - marvels, natural and man-made
February 22nd 2014 While in Curitiba I went on a tour of the Vila Velha state park. There are several rock columns there made of layers of different types of sediments. As the top layers are harder than the lower layers erosion causes them to taper towards their bases (see photo 1). Best to get there soon if you want to see them; the top fell off one of them three years ago.
There are also man-made marvels i
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