Famous landmarks around the world are transforming green in honour of St Patrick’s Day.

Global Greening is a Tourism Ireland initiative encouraging icons to go green for the island’s national holiday, throwing a spotlight on the best of Irish culture, by using the #GobalGreening hashtag.

Jumeirah at Etihad Towers goes green for Ireland’s National Day #GoGreen4PatricksDay #GlobalGreening pic.twitter.com/rmJvfcJw22

— JumeirahEtihadTowers (@JEtihadTowers) March 17, 2015

Via @TourismIreland: Edinburgh looking stunning in green to celebrate Ireland & #StPatricksDay #GlobalGreening pic.twitter.com/FNa9f1T8De — UK in Hong Kong (@UKinHongKong) March 17, 2015

Iconic #VEGAS welcome sign #GoGreen4PatricksDay #GlobalGreening @Failte_Ireland @TourismIreland @fionndavenport pic.twitter.com/y3dghnPTGQ

— Caroline Coyle (@ccoyle2) March 17, 2015

At http://t.co/OpLkV31WMN — #colosseum #rome #roma #happysaintpatrick‘sday #GoGreen4PatricksDay #globalgreening … pic.twitter.com/ifQybzEr8g — scenesfromrome (@scenesfromrome) March 17, 2015

#Amazing Via @IrelandinHK: Great Wall of #China goes green for #StPatricksDay pic.twitter.com/XP7tmNptbH #Ireland #GlobalGreening @EileenChanHu — UK in Hong Kong (@UKinHongKong) March 17, 2015

#Italia #Coliseo (Roma) y #TorreDePisa en #Verde por #StPatricksDay #GlobalGreening

#IrishNationDay: Happy #SaintPatrick‘s Day to the #Irish nation and the world from #Ireland #GlobalGreening #Sydney pic.twitter.com/LPH41qBurx

— Ruaidri Ua Conchobai (@Irish_Gael) March 17, 2015

#IrishNationDay: Happy #SaintPatrick‘s Day to the #Irish nation & the world from #Ireland #GlobalGreening #LondonEye pic.twitter.com/yMwhKcHGWW — Ruaidri Ua Conchobai (@Irish_Gael) March 17, 2015

“@IrishEmbSweden: Another aspect of the Ericsson Globe #GoingGreen4PatricksDay #GlobalGreening pic.twitter.com/sspejWeJB3”@fizzlekelly

— Chris Kelly (@WuKelly) March 17, 2015

City Hall looks class green #GlobalGreening #StPatricksDay pic.twitter.com/0laedkU6Sz — Aidan (Curzo) Curran (@AidanCurran14) March 17, 2015

Another great #GlobalGreening. Reykjavík even put Paddy’s happy head on top of a church! Happy #StPatricksDay pic.twitter.com/0zXkYGOUai

— James Tucker (@tuckerj88) March 17, 2015

“@love_belfast: The Madrid Town Hall is also celebrating #GlobalGreening #GoGreen4PatricksDay #StPatricksDay pic.twitter.com/sFLyeTlbep” — Maria Recio (@maria_e_recio) March 17, 2015

“@janetnewenham: The world is getting ready to #GoGreen for St Patrick’s Day! #globalgreening pic.twitter.com/E4eACvlgmK” — Ana Patiño (@anipaty) March 17, 2015

@Failte_Ireland The northern lights from space or has every building turned green for #StPatricksDay #GlobalGreening pic.twitter.com/fiEo0YiyXy — Brian Kavanagh (@brian_kav) March 17, 2015

“@noelwhelan: Dunbrody Famine Ship Experience stunning in #GlobalGreening should have said pic via @elainelarkin pic.twitter.com/NgF4P5fcUT” — #DigitalBelfast (@DigitalBelfast) March 17, 2015

“@Irlanderleben: Habt ihr alle den #paddysday gut überstanden? Via “@TourismIreland1: #GlobalGreening pic.twitter.com/Wci5I2ePPg”” — #DigitalBelfast (@DigitalBelfast) March 17, 2015

Beautiful! (Via @TourismIreland) ‘Really delighted that Niagara Falls is part of our #GlobalGreening again this year’ pic.twitter.com/meW3to203m — Garrett Phillips. (@GarrPhillips) March 17, 2015

#IrishNationDay: Happy #SaintPatrick‘s Day to the #Irish nation and the world from #Ireland #GlobalGreening #Pyramids pic.twitter.com/7MGyoURqHS — Ruaidri Ua Conchobai (@Irish_Gael) March 17, 2015

La Porte de Bourgogne in #Bordeaux goes green as well for #stpatricksday #GlobalGreening pic.twitter.com/c4ilkaEesZ

— Séverine Lecart (@Severine_L) March 16, 2015

Happy #StPatricksDay @Australia! pic.twitter.com/kW0gwoQoOB

— YHA Australia (@YHA_Australia) March 16, 2015