[ad_1] The National Park Service is seeking help from the public to find two men who were captured on camera toppling an ancient natural rock formation at Lake Mead National Recreation Area in Nevada last week, officials said on Monday. A video posted on April 7 shows the two men, legs bent, pushing the large red rocks. A young girl in the background can be heard yelling: “Don’t fall … Daddy! Daddy!” As the men try to move the rocks, another person is heard off-camera saying, “But why?” The National…