http://udn.com/news/story/8404/1074180- ... B%E8%99%95http://www.new0.net/%E8%98%87%E8%8A%B1% ... 98393.htmlhttp://www.cet-taiwan.org/node/1705
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The highly controversial "Su-Hua highway improvement project" cuts through some of the most untouched areas of Taiwan. The project was proposed right after the 1999 921 Earthquake. Since then it's environmental impact has been challenged repeatedly. However, after a 2010 Tour bus accident on the original Su-hua Highway, It's environmental impact review process is passed within 14 days. Needless to say the review is completely shoddy.
That aside, construction has been going on for a couple of years. Since 2012, numerous archaeological sites were discovered during construction. These discoveries have delayed construction, but its significance far out-weighs the road itself.
The first discovery at Hanben (漢本), Yilan, belongs to a strata deposited at least 1000 years ago. More than 100 burial sites have been discovered in 2 distinct stratas, plus many artifacts of daily life, such as bronze ware, iron-age tools and agate jewelries. The discovery is surprising because the site is located on a side of a hill. Archaeologists typically expects such findings in valleys instead of hillsides.
Lead archeologist Liu Chang-yi (劉益昌) believes the inhabitants, most likely Basai or Ketagalan, were capable sailors and migrated to the area by sea instead of land. He also pointed out such discoveries shouldn't have been a surprise. The fact that it is can be attributed to the failure of the rushed environmental impact review.
The more ancient second strata so far yields 2 large stone tablets erected by man, surrounded by many smaller vertically set stone tablets, similar to those found in Hualian and Taidong. Other artifacts include pottery, stone tools, bone tools and decorations, and animal figures made of pottery and stone. These artifacts are believed to be from at least 3000 years ago, and are buried 6 to 8 meters deep.