St Patrick s Cathedral, St Patrick's Cathedral, Dublin, is the National Church of Ireland. The National Cathedral is also full of decorations and decorations that inspire people's positive energy. In addition to the burial of religious figures in the church, there are also great figures related to Irish history and revolutionary activities. Ireland's first president since independence was also buried in this church. In order to commemorate the centenary of World War I, the TREE OF REMENBRANCE was built in St. Patrick's Church in 2014. The bare trunk implies that war destroys everything. On the small table are cards and pens for writing wishes. There are cards under the tree. People send messages to war victims and pray for peace. St. Patrick's Cathedral also introduces modern technology, with inquiry screens to learn more about the history of churches, earphones to listen to religious bibles, imitation of stained glass window mosaics, and paper and tools for making religious Memorial rubbings. There's WI-FI in the church.