epa10570969 Irish President Michael D. Higgins (L) watches as US President Joe Biden signs the visitors book in the state reception room at Aras an Uachtarain (Residence of the President of Ireland) in Phoenix Park in Dublin, Ireland, 13 April 2023. This is the second day of a four-day visit by Biden to Northern Ireland and the Republic of Ireland to mark the 25th anniversary of the Good Friday Agreement. EPA-EFE/JULIEN BEHAL / POOL