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Show Idea for Tunnels Ancient Egyptians, observing streams enter one side of a hill and come out the other, got the idea for tunnels. They built them ' into tombs. Builders after them bored tunnels to carry or drain water. One people, the Babylonians, Baby-lonians, more daring than the rest, tunneled beneath the Euphrates river. Thus began the story, according ac-cording to a correspondent in the Washington Post, of the most fascinating fas-cinating and dangerous of all tunneling tun-neling operations, subaqueous underwater. |