April 4, 2018

People prepare to march to commemorate the 50th anniversary of the assassination of Martin Luther King, Jr., in Memphis, Tennessee.

A ceremonial wreath laying takes place in honor of the 50th anniversary of the assassination of the Rev. Martin Luther King, Jr. at the MLK Memorial in Washington.

Members of the African National Congress Women's League gather outside the family home of the late Winnie Madikizela-Mandela, in Soweto, South Africa. South Africa declared 10 days of national mourning for Winnie Madikizela-Mandela, the anti-apartheid activist and ex-wife of Nelson Mandela, who died at age 81 after a long illness.

Indian Sikh Nihang (a traditional Sikh religious warrior) Baba 'Jagir' Singh wears a giant turban at the Golden Temple in Amritsar on the eve of the 397th birth anniversary of the ninth Sikh Guru Teg Bahadur.

A squirrel sits on the floor after its limb amputation surgery at Aydin University in Istanbul, Turkey, April 3, 2018.

A blast rips through the ice covering the Kan river to reduce the risk of floods, near the Siberian town of Zelenogorsk, east of Krasnoyarsk, Russia, April 3, 2018.

A member of the Royal Guard music band holds a double bass after playing outside the Royal Palace in Madrid, Spain.

A worker cleans stairs at the National Museum of Korea in Seoul, South Korea.

Local and foreign travelers stroll at sunset along the U Bein Bridge — the longest wooden bridge that connects the two banks of Taungthaman Lake, in Mandalay, Myanmar, April 3, 2018.

A couple takes a selfie under blooming cherry trees in Washington, April 3, 2018.