Mardi Gras: New Orleans throws big bash of parades, partying

The Krewe of Zulu marches as they roll on during Mardi Gras day in New Orleans, Tuesday, Feb. 13, 2018. (AP Photo/Gerald Herbert)

New Orleans Mayor Mitch Landrieu, right, and chief of police Michael Harrison ride on horseback at the start of the Krewe of Zulu parade on Mardi Gras day in New Orleans, Tuesday, Feb. 13, 2018. (AP Photo/Gerald Herbert)

A member of the Krewe of Zulu leads the way as their parade rolls on Mardi Gras day in New Orleans, Tuesday, Feb. 13, 2018. (AP Photo/Gerald Herbert)

A member of the walking club Mondo Kayo revels as they march and dance down the route of the Krewe of Zulu parade on Mardi Gras day in New Orleans, Tuesday, Feb. 13, 2018. (AP Photo/Gerald Herbert)

NEW ORLEANS — Tens of thousands of revelers thronged Mardi Gras festivities, many yelling “throw me something, Mister!” in the universal call to float riders who tossed them coveted beads and trinkets on Tuesday’s raucous finale to Carnival season in New Orleans.