The party went on through the night after Ireland beat Wales on Monday but judging by this pic festivities were well underway long before kick-off. 

South Wales Police posted this photo of the clean up job faced by Cardiff City Council and it looked like some task.

Cardiff St Mary St #WalesvIreland #messy well done Cardiff City Council cleaning up during the match. Top job!! pic.twitter.com/h0pb0c2zjZ

— SWP_Roads (@SWP_Roads) October 9, 2017

Looks like France 2016 all over again.

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