For Mardi Gras 2021, when the very idea of a large, tightly packed crowd feels years away, New Orleans has adapted. Instead of floats following parade routes, the city’s artistic verve has turned its attention to dozens of homes and businesses across the city. They’ve been transformed into Bourbon Street–worthy thematic “house floats,” made by artists and everyday citizens. The mood-lifting response to the cancellation of the traditional events also helps support artists who would typically have year-round work preparing the gaudy, celebratory floats for their time in the spotlight….