A banner stating "We Love You Mohammad" is displayed as well-wishers touch the hearse carrying the body of the late boxing champion Muhammad Ali during his funeral procession through Louisville, Kentucky, U.S., June 10, 2016. The world said goodbye to The Greatest on Friday, showering affection on Muhammad Ali during a fist-pumping funeral procession through the streets of his hometown, followed by a star-studded memorial service where he was eulogized as a wildly charismatic breaker of racial barriers. REUTERS/Adrees Latif

A man throws a rose over the hearse carrying the remains of Muhammad Ali during the funeral procession for the three-time heavyweight boxing champion in Louisville, Kentucky, U.S., June 10, 2016. The world said goodbye to The Greatest on Friday, showering affection on Muhammad Ali during a fist-pumping funeral procession through the streets of his hometown, followed by a star-studded memorial service where he was eulogized as a wildly charismatic breaker of racial barriers. REUTERS/Carlos Barria

Well-wishers touch the hearse carrying the body of the late boxing champion Muhammad Ali during his funeral procession through Louisville, Kentucky, U.S., June 10, 2016. The world said goodbye to The Greatest on Friday, showering affection on Muhammad Ali during a fist-pumping funeral procession through the streets of his hometown, followed by a star-studded memorial service where he was eulogized as a wildly charismatic breaker of racial barriers. REUTERS/Adrees Latif

Fans showers the hearse carrying the body of Muhammad Ali with flowers as it drives down Broadway toward Cave Hill Cemetery in Louisville, Kentucky, U.S., June 10, 2016. The world said goodbye to The Greatest on Friday, showering affection on Muhammad Ali during a fist-pumping funeral procession through the streets of his hometown, followed by a star-studded memorial service where he was eulogized as a wildly charismatic breaker of racial barriers. REUTERS/Michael Clevenger/POOL

A mourner throws a rose onto the hearse carrying the body of the late Muhammad Ali as it enters Cave Hill Cemetery in Louisville, Kentucky, U.S. June 10, 2016. The world said goodbye to The Greatest on Friday, showering affection on Muhammad Ali during a fist-pumping funeral procession through the streets of his hometown, followed by a star-studded memorial service where he was eulogized as a wildly charismatic breaker of racial barriers. REUTERS/John Sommers II

Well-wishers throw flowers at a hearse carrying the body of the late boxing champion Muhammad Ali during his funeral procession through Louisville, Kentucky, U.S., June 10, 2016. The world said goodbye to The Greatest on Friday, showering affection on Muhammad Ali during a fist-pumping funeral procession through the streets of his hometown, followed by a star-studded memorial service where he was eulogized as a wildly charismatic breaker of racial barriers. REUTERS/Adrees Latif