American researchers have discovered the world's oldest paved road, a 4,600-year-old highway.
美国研究人员发现了世界上最古老的柏油路——一条有4600年历史的高速公路。
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We still feel the effects today: The momentum unloosed in 1909 led to the Lincoln Memorial, opened in 1922, and the Lincoln Highway, the first paved transcontinental thoroughfare.
The U.S.’s National Highway Traffic Safety Administration paved the way for the flying car to be rolled out after recently announcing exemptions to allow it on American roads.