The week's best photojournalism

Athletes clear a water obstacle during the women's 3,000-meter steeplechase final, at the IAAF World Championships in Beijing, China.

(REUTERS/Damir Sagolj)

Molten lava flows from the Piton de la Fournaise, one of the world's most active volcanoes, on France's Reunion Island in the Indian Ocean.

(REUTERS/Gilles Adt)

A boy cools off under a waterfall in Kabul, Afghanistan.

(REUTERS/Mohammad Ismail)

Taiwan's Wei Lun Wang hits a two-run double off Japan's Kabu Kikuchi during the third inning of an international pool play baseball game, at the Little League World Series in South Williamsport, Pennsylvania.

(AP Photo/Matt Slocum)

A toddler and a woman who were rescued together with other migrants wait to disembark from the Irish Navy vessel LE Niamh, at the Messina Harbor, in Sicily, Italy.

(AP Photo/Carmelo Imbesi)

Fulton Hotshot Michael Turowski lights a controlled burn on the so-called "Rough Fire," in the Sequoia National Forest, California.

(REUTERS/Max Whittaker)

A Thai veterinarian takes a picture of a 2-year-old orangutan during its health examination at Kao Pratubchang Conservation Center, in Ratchaburi, Thailand.

(REUTERS/Athit Perawongmetha)

Ezequiel Lopez and Camila Alegre of Argentina compete at the World Tango Championships, in Buenos Aires.

(AP Photo/Natacha Pisarenko)

A spider is silhouetted against a string of lights in Overland Park, Kansas.

(AP Photo/Charlie Riedel)

A Naga sadhu performs a ritual inside his tent during Kumbh Mela, or Pitcher festival, in Trimbakeshwar, India.

(AP Photo/Rajanish Kakade)

Patients from Rady Children's Hospital hug a bottlenose dolphin after being invited to swim at Sea World in San Diego, California.

(REUTERS/Mike Blake)

A girl enjoys a ride at a fair, in Rawalpindi, Pakistan.

(AP Photo/Anjum Naveed) **See last week's best photojournalism**