叶子 yè zǐ = leaves, foliage
这一天是爱尔兰人的国庆节.
zhè yī tiān shì Ài ěr lán rén de Guó qìng jié
This is an Irish public holiday.
It is celebrated because St. Patrick spent thirty years building and setting up monastries and places of worship all around Ireland. As anyone who has been to Ireland will know, religion is a big part of being Irish.
