Archaeological sites discovered during road work:
Amazon Road Workers Find Ancient Earth Carvings
by Stephen Messenger, Porto Alegre, Brazil on 09.28.10
Road workers in Brazil were preparing to pave a highway through the Amazon rainforest recently, when they made an important archeological discovery -- a series of enormous earth carvings, barely perceptible from the ground. Known as geoglyphs by researchers, these complex geometric designs are thought to have been crafted by ancient civilizations centuries earlier, though their purpose, to this day, remains a mystery.
From BBC News
27 September 2010 Last updated at 08:58 ET
Work unearths previously unknown Roman road in Kent
A previously unknown Roman road and evidence of a medieval manor house have been uncovered during excavations in Kent.