Meghan Markle (C), wife of Britain's Prince Harry, meets with the public at the Trinity College Dublin in Dublin, Ireland, July 11, 2018. Britain's Prince Harry and his wife Meghan Markle on Wednesday wrapped up a two-day visit to Ireland, the first official overseas visit ever paid by the royal couple since their marriage in May. (Xinhua)

Britain's Prince Harry (3rd L, front) shakes hands with people at the Trinity College Dublin in Dublin, Ireland, July 11, 2018. Britain's Prince Harry and his wife Meghan Markle on Wednesday wrapped up a two-day visit to Ireland, the first official overseas visit ever paid by the royal couple since their marriage in May. (Xinhua)

Britain's Prince Harry meets with the public at the Trinity College Dublin in Dublin, Ireland, July 11, 2018. Britain's Prince Harry and his wife Meghan Markle on Wednesday wrapped up a two-day visit to Ireland, the first official overseas visit ever paid by the royal couple since their marriage in May. (Xinhua)

Britain's Prince Harry (1st L, inside the fence) and his wife Meghan Markle meet with the public at the Trinity College Dublin in Dublin, Ireland, July 11, 2018. Britain's Prince Harry and his wife Meghan Markle on Wednesday wrapped up a two-day visit to Ireland, the first official overseas visit ever paid by the royal couple since their marriage in May. (Xinhua)

Meghan Markle, wife of Britain's Prince Harry, meets with the public at the Trinity College Dublin in Dublin, Ireland, July 11, 2018. Britain's Prince Harry and his wife Meghan Markle on Wednesday wrapped up a two-day visit to Ireland, the first official overseas visit ever paid by the royal couple since their marriage in May. (Xinhua)