The picture here is an aerial view of land art installation by Polish artist Jaroslaw Koziara as a part of the Land Art Festival on the field between Horodyszcze (Poland) and Warez (Ukraine), which took place over the summer of 2011.  Apparently not only humans try to cross European borders. ..

http://prosrc.corbisimages.com/stock-photo/rights-managed/42-29280312/land-art-project-jaroslaw-koziara