Heptagonal hole Strange heptagonal borehole discovered near Volda, Province Møre og Romsdal (Region Vestlandet) in Norway. It proceeds into the rock for many meters and it seems to always keep the same shape. The hole is 6 cm in diameter. No one knows who built it, how and why. To know more: http://www.mre.no/89550.o2 and http://www.op.no/nyheter/article3175499.ece .