As its metro stations hold the largest underground art gallery in the World, the Société des Transports de Montréal (STM) has gotten a hold of three new one-of-a-kind artworks by transforming three of its buses into giant canvases as part of Mural Festival 2018. See how 123klan, Cécile Gariépy and Aless MC transformed these particular canvases under the themes of Montreal’s Alouettes, the circus and pride.