On26Dec.,2004,a magnitude9.0earthquake,the fourth largest earthquake in the world since1900,occurred off the west coast of northern Sumatra,Indonesia.The earthquake generated tsunamis which swept across the Indian Ocean within hours.Over226,000people,as of Jan202005,lost their lives in this disaster and in Thailand5305are confirmed dead.The Asian tsunami greatly affected Thailand's tourism industry,in which famous beaches were badly destroyed.Fortunately,Thaiˉland's government has taken effective measures to save the industry.