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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. |