An Irish dancing flashmob took over a Lisbon square

Like an upbeat advance guard of an invading army, Irish people are making their presence known worldwide ahead of St. Patrick's Day.
Just take a look at this video filmed a couple of weeks ago when a group of dancers took over Lisbon’s picturesque Padrão dos Descobrimentos for an Irish dancing flash mob ahead of the city’s first St Patrick’s Day parade on March 17.