Libyan rebels ride donkeys to reach their comrades at their position in a quarry in Bir Ayid, some 90km from the capital Tripoli. (AFP)

Egyptian Bedouins watch as smoke and flames rise into the air after masked gunmen blew up a terminal of the natural gas pipeline to Israel and Jordan in El Arish, in the northern part of Egypt's Sinai Peninsula, in a predawn attack. (AP)

People throw flowers into the port of Kazan, on the Volga River, in central Russia. Russia is observing a day of mourning for victims of a cruise ship sinking as divers work deep underwater in a Volga River reservoir to try to find more bodies. (AP)

Mount Lokon spews volcanic smoke in Tomohon, North Sulawesi, Indonesia. Officials raise the alert for the volcano with history of violent explosions to its highest level following a series of eruptions over the weekend. (AP)

A tourist stands between Buddy Bear sculptures on Kurfuerstendamm Boulevard in Berlin, Germany. Colorful Buddy Bears designed by artists from different countries with unique features on behalf of his or her native country are on display as part of the 125th anniversary of Berlin's most famous shopping street. (Reuters)

A lemur eats a watermelon to refresh itself in Rome's zoo, Italy. Zoo staff offer animals frozen and refrigerated fruit to refresh them as temperatures reached 40 Celsius (104 Fahrenheit) in many Italian cities. (AP/Rome Bioparco Fundation)