Which software is used for these images?

newbielink:http://www.123rf.com/photo_49469584_3d-illustration-of-cross-section-of-ground-with-grass-isolated-on-white.html?term=3d%2Bcross&vti=mzb1q7qhlymn4h4x85 [nonactive]

newbielink:http://tr.123rf.com/photo_64858767_3d-illustration-of-high-voltage-electric-tower-standing-on-cross-section-of-ground-with-grass-isolat.html?term=3d%2Bcross%2Bsection&vti=lqsg4s2ukulntb4m3x [nonactive]

newbielink:http://tr.123rf.com/photo_41306972_isolated-on-white-%C3%A7im-zemin-ve-ev-kesit-3d-ill%C3%BCstrasyon.html?term=3d%2Bcross%2Bsection&vti=lqsg4s2ukulntb4m3x [nonactive]

Those aren't really very high quality renders. You could do images like that with e-on software Vue, which is not too expensive, and models and textures purchased from http://www.e-onsoftware.com/resources/?page=cornucopia