Mardi Gras celebrations underway in New Orleans

Float riders hand beads to the crowd as the Krewe of Orpheus parade rolls in New Orleans on Monday.

(Gerald Herbert / Associated Press)

Feb. 13, 2018 8 AM PT

Tens of thousands of revelers are expected on the streets of New Orleans for parades and rowdy fun as Mardi Gras caps the carnival season in a city celebrating its own 300th anniversary.

Float riders encourage the crowd during the Krewe of Orpheus parade.

(Gerald Herbert / Associated Press)

Members of the Krewe of Zulu march as their parade rolls on Mardi Gras day in New Orleans.

(Gerald Herbert / Associated Press)

A man walks with his dog during the Society de Sainte Anne parade, on Mardi Gras day in New Orleans.

(Gerald Herbert / Associated Press)

A member of the Krewe of Zulu marches during their parade Mardi Gras day in New Orleans.

(Gerald Herbert / Associated Press)

The Krewe of Zulu rolls on Mardi Gras day in New Orleans.

(Gerald Herbert / Associated Press)

A woman from the crowd jumps in and joins a dance group as they march in the Krewe of Thoth Mardi Gras parade in New Orleans on Sunday.

(Gerald Herbert / Associated Press)

Patients from Children’s Hospital of New Orleans wave for beads and trinkets outside the facility during the Krewe of Thoth Mardi Gras parade in New Orleans on Sunday. The floats’ route passes several healthcare facilities.

(Gerald Herbert / Associated Press)

Float riders toss beads and trinkets during the Krewe of Thoth parade.

(Gerald Herbert / Associated Press)

Flambeaux carry their torches in the Krewe of Orpheus parade.

(Gerald Herbert / Associated Press)

The Krewe of Orpheus rolls through New Orleans on Monday.

(Gerald Herbert / Associated Press)