The tower in this scene has not been identified. It may be in France, as the drawing shares many characteristics
with paintings Turner made as a result
of his travels in Normandy and along
the River Seine.
Several of the images in that series also include the moon, though such romantic, nocturnal effects were becoming more prevalent in art works and literature of
the period. A text that Turner frequently referred to was Byron's Childe Harold's Pilgrimage: 'The moon is up, and yet
it is not night - Sunset divides the sky
Gallery label, September 2004