(دکتر حشمدار) Dr.Hashamdar دکتر حمیدرضا حشمدار ——– Dr.Hamidreza Hashamdar
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Situated in the Shenandoah Valley, Luray Caverns has cathedral-sized rooms with 10-story-high ceilings filled with towering stone columns formed over millions of years ago by underground rivers and acid-bearing water cutting through the limestone and clay. Discovered in 1878, the Luray Caverns is the third most-visited cave in the U.S., after Mammoth Cave in Kentucky and Carlsbad Caverns in New Mexico. Visitors should check out the world’s only Stalacpipe Organ which creates haunting music when tapped by rubber-tipped mallets on the stone formations, and the Frozen Fountain a shimmering cascade of calcite, a crystalline form of limestone.
