Louvre Pyramid B&W (1) Published April 22, 2014 at 1120 × 800 in Before and After: The Magic of Lightroom (Updated 4-24) ← Previous Next → 3. Lightroom black and white post-processing brings depth and clarity to I.M. Pei’s modern glass Pyramid seen through an alcoved archway of the Louvre Museum. The Pyramid has been processed with a slight sepia tone.