stone formation resembling dinosaur egg with prodellanym hole found near the village of wet olhovka kotovo district, volgograd r

ancient anomaly archaeological archeology calcareous destroyed dinosaur discovery district education eggs excavated excavations expedition fossils geological geology giant globe incredible iron kotovsky landmark masonry mountain mysterious mystery nature nest nobody olkhovka ore ovoid paleontological paleontology prehistoric red region reptile rock russia sand science shape spherical stone unearthed unidentified village volgograd wet