{Looking up they see} (anablepsasai the(9372)ousin). 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.  Lu 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.