Nigeria, July 11 -- The Mount Rushmore National Memorial, South Dakota, is a 1,278-acre or 517-hectare tract seized from the Sioux Nation of India. Into its mountain face are sculpted the 18-metre or 60-foot-high figures of four former United States (US) Presidents.

They feature founding President George Washington, main drafter of the 4 July, 1776, Declaration of Independence, Thomas Jefferson, leader of the Union in the US Civil War, Abraham Lincoln, and Theodore Roosevelt, credited with developing the country. It is a monument dedicated to 150 years of the Declaration. It took the sculptor, Gutzon Borglum, son of Danish Mormon immigrants, fourteen years, from 1927 to sculpt the figures.

However, controversy persists as the Sioux Indi...