Irish for a day
The world celebrates St. Patrick's Day.
Racegoers kiss as they pose for photographers on St Patrick's Day at Cheltenham Racecourse in England.
St. Patrick's Day
Caoimhe Cooburn-Gray poses for a picture on St. Patrick's day in Dublin, Ireland on March 17, 2016.
St. Patrick's Day
Paddy Cusack enjoys a pint of Guinness during St Patrick's Day at Cheltenham Racecourse in England.
St. Patrick's Day
A woman attempts to burst a bubble at the St. Patrick's day parade in Dublin, Ireland on March 17, 2016.
St. Patrick's Day
People enjoy the St. Patrick's day parade in Dublin, Ireland, March 17, 2016.
St. Patrick's Day
Participants practice their Irish dancing routine before the St. Patrick's day parade in Dublin, Ireland March 17, 2016.
St. Patrick's Day
People climb onto statues to watch the St. Patrick's day parade in Dublin, Ireland, March 17, 2016.
St. Patrick's Day
Performers ride a float in the St. Patrick's day parade in Dublin, Ireland March 17, 2016.
St. Patrick's Day
New York Mayor Bill de Blasio (C) marches along the Fifth Avenue during the St. Patrick's Day parade in NewYork March 17, 2016.
De Blasio ended his two-year boycott of the annual St. Patrick's Day parade on Thursday, joining in the world's largest celebration of Irish heritage after organizers opened the event up to all openly LGTB marchers.
St. Patrick's Day
The fountain is dyed green in honor of St. Patrick's Day at the White House in Washington, March 17, 2016.
St. Patrick's Day
People watch the parade St. Patrick's day in Dublin, Ireland March 17, 2016.
St. Patrick's Day
People watch the St. Patrick's day parade in Dublin, Ireland March 17, 2016.
St. Patrick's Day
A woman takes a photo during the St. Patrick's day parade in Dublin, Ireland March 17, 2016.
St. Patrick's Day
A performer rides a float during the St. Patrick's day parade in Dublin, Ireland March 17, 2016.
St. Patrick's Day
A horse racing fan dressed up for St Patricks Day at Cheltenham Racecourse in England.