Kyrix𔒝 on Instagram: "Black Hills of South Dakota stands Mount Rushmore, one of America’s most iconic monuments. Carved between 1927 and 1941, it features the 60-foot faces of four U.S. presidents: George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln. Sculptor Gutzon Borglum designed the monument to symbolize the nation’s birth, growth, development, and preservation. The project was an enormous undertaking. Workers used dynamite, drills, and precision tools to carve into