Today in Pictures: May 22

Flood victims wait for relief, Obama makes an historic trip to Vietnam, volcanic ash blankets the land and more of Sunday's best photos.

U.S. President Barack Obama receives flowers as he arrives at Noibai International Airport in Hanoi, Vietnam. CARLOS BARRIA / Reuters
Lanterns fly into the air at Borobudur temple during celebrations for Vesak Day in Magelang, Central Java, Indonesia. Vesak is observed during the full moon in May or June with the ceremony centered around three Buddhist temples, pilgrims walk from Mendut to Pawon, ending at Borobudur. Ulet Ifansasti / Getty Images
Relatives of the Christian victims of the crashed EgyptAir flight MS804 react during an absentee funeral mass at the main Cathedral in Cairo, Egypt. MOHAMED ABD EL GHANY / Reuters
A young Sri Lankan flood victim looks on at a roadside camp in Kelaniya, on the outskirts of Colombo. Sri Lankan soldiers pulled more bodies from landslides and distributed food and water to hundreds of thousands of residents camped in shelters on May 22 after major floods hit the island. ISHARA S.KODIKARA / AFP - Getty Images
Devotes walk through a field holding their crosses during a march of the ''Romeros de Lumbier'' near to the small village of Lumbier, northern Spain. Alvaro Barrientos / AP
Relatives carry a coffin containing the body of a victim in the eruption of Mount Sinabung through a field covered in volcanic ash in Sukandebi, North Sumatra, Indonesia. The volcano blasted volcanic ash as high as 2 miles into the sky and down the slopes as far as 3 miles, killing several people who were working on their farms. Binsar Bakkara / AP
Girls attend a seminar in Douma on the outskirts of Damascus, Syria in a former school destroyed by bombing in 2015. The seminar entitled, "Between Dreams and Reality," was created for young girls to share their stories about the situations they have lived through. MOHAMMED BADRA / EPA
A boy pushes a stroller with a child at the migrant camp in Idomeni, Greece. Thousands of stranded refugees and migrants have camped in Idomeni for months after the border was closed. Darko Bandic / AP
An injured dog covered in volcanic ash crouches down in an empty village after it was abandoned following the eruption of Mt. Sinabung in Gamber village, North Sumatra, Indonesia. Binsar Bakkara / AP
Sri Lankan flood victims line up to receive relief materials in a flood affected area near Colombo, Sri Lanka. Eranga Jayawardena / AP