In the meantime, when he went on his way back, the seed had grown into a tree which reached up to the sky. Then thought the peasant, 'As thou hast the chance, thou must just see what the angels are doing up there above, and for once have them before thine eyes.' So he climbed up, and saw that the angels above were threshing oats, and he looked on.
Jacob Grimm, Grimm's Fairy Tales
angels