Tributes to Muhammad Ali in Pictures

Boxing gloves and a message sit among flowers at a makeshift memorial to Muhammad Ali at the Muhammad Ali Center in Louisville, Ky. Ali died Friday at age 74. AP Photo/David Goldman
A large memorial for the late Muhammad Ali, spray-painted by graffiti artist Brian Wentworth, in Graffiti Alley in Cambridge, Mass. Suzanne Kreiter/The Boston Globe via Getty Images
A rose lays next to an image of Muhammad Ali at the Muhammad Ali Center in Louisville, Ky. AP Photo/David Goldman
A memorial to the late Muhammad Ali in New York. REUTERS/Lucas Jackson
A memorial to honor Muhammad Ali at the Louisville Islamic Center. REUTERS/John Sommers II
Posters and roses scatter at an impromptu memorial for Muhammad Ali outside Scottsdale Osborne Medical Center. Patrick Breen/The Arizona Republic via USA TODAY Network
A makeshift memorial for the boxing legend outside the Muhammad Ali Center in Louisville. BRENDAN SMIALOWSKI/AFP/Getty Images
A mural of Muhammad Ali painted on the side of a building in Louisville. AP Photo/David Goldman
A crowd is reflected in a sketch of Muhammad Ali on the front porch of his childhood home in Louisville. AP Photo/David Goldman
Jafet Figueroa (L) and Joseph Garcia view a makeshift memorial for boxing legend Muhammad Ali outside the Muhammad Ali Center. BRENDAN SMIALOWSKI/AFP/Getty Images
A shirt paying tribute to Muhammad Ali is left at a memorial at the Muhammad Ali Center in Louisville. AP Photo/David Goldman
The marquee in front of Madison Square Garden AP Photo/Frank Franklin II
An Iranian woman walks past a pop-up memorial honouring the late American boxer Muhammad Ali in Tehran. ATTA KENARE/AFP/Getty Images
A memorial at the Muhammad Ali Center in Louisville. AP Photo/David Goldman
A fan-created memorial to Muhammad Ali at Harlem's historic Apollo Theater. Rainmaker Photo/MediaPunch/IPX
A memorial to the boxer outside the Muhammad Ali Center in Louisville. BRENDAN SMIALOWSKI/AFP/Getty Images
Joseph Garcia, 6, right, and Jafet Figueroa, 9, both of Louisville, at the Muhammad Ali Center. AP Photo/David Goldman
An artist holds up an image of Muhammad Ali while people wait in line for tickets to a memorial service outside the KFC Yum! Center in Louisville. BRENDAN SMIALOWSKI/AFP/Getty Images
A ray of sunlight shines on a Muhammad Ali shirt worn by Nicole Morris-Cowherd as she attends a community memorial service to Ali outside his childhood home in Louisville. AP Photo/David Goldman