As part of a special series for 2022, we’re doing a deep visual dive into fascinating Carnival traditions around the world. We’ve all seen the sweaty, thrilling, bedazzled New Orleans version of Mardi Gras, but there’s something else going on in Cajun country, in the small towns a few hours west of the Big Easy. There, a kaleidoscopic, bead-free inversion of the Carnival celebration takes center stage. Welcome to Cajun Mardi Gras. The old story goes that Cajuns are descendants of the French settlers of maritime Canada, expelled in the…