As Venus orbits the Earth it traces the shape of a five-pointed star. Slice a cucumber, and you will see perfect triangles within.
원문출처 : http://www.cnn.com/2016/12/14/middleeast/saudi-geometry-artist/index.html
원문출처 : http://www.cnn.com/2016/12/14/middleeast/saudi-geometry-artist/index.html