An unattainable luxury for our ancestors: The Price for Lighting over the last 7 centuries, adjusted for inflation https://t.co/m9Ok0ZvWYP
— Max Roser (@MaxCRoser) August 6, 2017
Sunday, August 06, 2017
An unattainable luxury for our ancestors: The Price for Lighting over the last 7 centuries, adjusted for inflation
