Snapshots: The world in 24 hours, May 23

US President Barack Obama jokingly swings a hurling stick given to him by Taoiseach Enda Kenny (R) during his visit to Farmleigh House in Dublin May 23, 2011. [Photo/Agencies]

Small waves crash over rocks across the harbour from the Sydney city skyline May 23, 2011. [Photo/Agencies]