washington monument sinking

July 29, 2015 The land on which our nation's capital sits the home of iconic sites like the Lincoln Memorial and the Washington Monument is sinking quickly into the sea and could fall by as... WASHINGTON The Washington Monument, the iconic marble tribute to the first U.S. president that strikes into the District of Columbia skyline, is sinking. The Washington Monument is a structure called an obelisk, measuring 555 feet and 5 1/8 inches high. According to Wikipedia, an obelisk is: "A tall, four-sided, narrow tapering monument which ends in a pyramid-like shape at the top. These

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