Records of archaeological excavations at Taoyuan County's Dayuan Primary School date to the era of Japanese rule when the school was first being built, but it wasn't until early last year that the county government began paying attention. When 3,000-year-old prehistoric artifacts were discovered near a bathroom being built as part of the renovations to the old school, the county ordered work halted.
早在日據時代，桃園縣大園國小建校初期即有尖山遺址出土記載，去年初，百年老校準備修繕校舍、於興建廁所時挖出大批 3 千年前的史前文化遺產，受到縣政府重視，繼而下令凍結老舊校舍改建工程。