Tim McLees / WENN.com
‘I Am The Greatest: Muhammad Ali’ exhibition at The O2
"He hit me so hard that my ancestors in Africa felt it." This is one of the quotes and artifacts added to a museum display of the extraordinary life and career of the world's most famous heavyweight boxer, Muhammad Ali. The exhibition, titled "I Am The Greatest: Muhammad Ali," opened on March 4, 2016 at the 02 arena in London, England.