People dance in a "silent disco" in honor of the leap day during a Residence Inn Marriott promotion in New York City. The extra calendar day happens once every four years.

People dance in a "silent disco" in honor of the leap day during a Residence Inn Marriott promotion in New York City. The extra calendar day happens once every four years.

People dance in a "silent disco" in honor of the leap day during a Residence Inn Marriott promotion in New York City. The extra calendar day happens once every four years.

People dance in a "silent disco" in honor of the leap day during a Residence Inn Marriott promotion in New York City. The extra calendar day happens once every four years.