The document provides descriptions of Mardi Gras and carnival celebrations taking place in various locations around the world in mid-February, including in New Orleans, Nice, Rio de Janeiro, Ivrea, Mohacs, and Venice. The celebrations involve parades with elaborate costumes and masks, orange battles commemorating a local revolt, masked men parading on boats, a young drum queen crying at her position in a samba school parade, and revelers in carnival costumes and masks in St. Mark's Square in Venice.