Mark 16:4

Looking up they see (anablepsasai qewrousin). With downcast eyes and heavy hearts (Bruce) they had been walking up the hill. Mark has his frequent vivid dramatic present "behold." Their problem is solved for the stone lies rolled back before their very eyes. Luke 24:2 has the usual aorist "found." For (gar). Mark explains by the size of the stone this sudden and surprising sight right before their eyes.