sentences:  The background opens on to a view of a river valley, with a town to the left and castle on a rocky crag above, and a tower on a rock outcrop to the right, and distant hills and the sky beyond.Behind the dancers rise two intertwined trees, a motif used by Bruegel in an earlier drawing of bears playing in a forest.An impression of depth is given by the progression from dense brown tones dominating of the foreground, through green midtones in the middle distance, to light blues and greys for the background.