Wikipedia has a nice page about it : "Rue de l'Avenir" (Street of the future)

Scroll down to the photos and be momentarily surprised at the fact that some are in colour.

	▲	card_zero 4 days ago \| parent [-]
		Hand-colored, "photochromes". One of them is in Commons category "1900 black and white photographs". Check out "autochromes", though: https://commons.wikimedia.org/wiki/Category:Autochromes Leonid Andreev's moody selfie poses amuse me. (Circa 1910.) https://commons.wikimedia.org/wiki/Category:Autochromes_by_L...