Japan's Emperor Akihito, with Empress Michiko, waves to well-wishers in the central Japanese prefecture of Mie on April 18. Emperor Akihito takes part in a series of rituals ahead of his abdication.
Kazuhiro Ngoi/AFP/Getty Images
Sri Lankan soldiers lower the national flag in Colombo on Sunday. President Maithripala Sirisena banned face coverings under an emergency law that went into effect Monday.