[Washington, October 29. Image via Getty]

WASHINGTON - OCTOBER 29: Christina King Ferris, sister of Martin Luther King Jr., stands next to a model of the Martin Luther King Jr. Memorial while attending a ceremony announcing the approval of the construction process for the memorial on the National Mall October 29, 2009 in Washington, DC. The memorial will be situated midway between the Lincoln and Jefferson Memorials and take approximately two years to complete. (Photo by Win McNamee/Getty Images)