A Treatise on Painting
by Leonardo da Vinci, translated by John Francis Rigaud
Of Towns and other Buildings seen through a Fog in the Morning or Evening
4017016A Treatise on Painting — Of Towns and other Buildings seen through a Fog in the Morning or EveningJohn Francis RigaudLeonardo da Vinci

Chap. CCCXVII.Of Towns and other Buildings seen through a Fog in the Morning or Evening.

Buildings seen afar off in the morning or in the evening, when there is a fog, or thick air, shew only those parts distinctly which are enlightened by the sun towards the horizon; and the parts of those buildings which are not turned towards the sun remain confused and almost of the colour of the fog.