It is 25 years since the conflict in Northern Ireland was formally ended by a peace treaty. It came to be known as The Good Friday Agreement. The large-scale fighting may be over, but below the surface, huge tensions remain. Al Jazeera's Andrew Simmons reports from Belfast, Northern Ireland. Subscribe to our channel: http://aje.io/AJSubscribe Follow us on Twitter: / ajenglish Find us on Facebook: / aljazeera Check our website: https://www.aljazeera.com/ @AljazeeraEnglish #Aljazeeraenglish #News #NorthernIreland #GoodFridayAgreement