Clermont-Ferrand’s cathedral is built entirely from black lava stone

Portal of the Notre-Dame-de-l’Assomption Cathedral in Clermont-Ferrand, France, built in black Volvic stone (HJBC/shutterstock.com)

The Cathédrale Notre-Dame-de-l’Assomption isn’t just any old example of Gothic architecture. It screams gothic in striking, volcanic black. Situated in Clermont-Ferrand in France’s Auvergne region, It is built entirely from …