Boats sailing past the ‘Victory Lighthouse’ during the 51st Barcolana regatta in the Gulf of Trieste. With some 2,000 vessels, the Barcolana has the most participants of any sailing regatta in the world. -- Image by AFP

Visitors admiring the world premiere of an illuminated art installation entitled 'SUN' created by artist Alex Rinsler and solar physicists professor Robert Walsh of the University of Central Lancashire, displayed in the Winter Gardens as part of the Lightpool Festival of visual arts in the centre of Blackpool, northern England on Oct 14. -- Image by AFP

A Turkish-backed Syrian fighter fires during clashes in the border town of Ras al-Ain on Oct 13, 2019, as Turkey and its allies continue their assault on Kurdish-held border towns in northeastern Syria. -- Image by AFP

Riot police arrest a demonstrator during a protest following the announcement of a transport strike against Ecuadorean President Lenin Moreno's policies regarding an agreement signed last March with the International Monetary Fund (IMF) in downtown Quito. -- Image by AFP

Visitors standing beside the granite boulder 'Krishna's Butterball' at Mahabalipuram, India’s Tamil Nadu state. -- Image by AFP

Indonesian surfer Edi Siswanto, waves at the northern lights in Unstad, Lofoten Islands, beyond Arctic Circle, recently. -- Image by AFP

An owa or white-handed gibbon swings on a tree after being released into the wild, to mark the animal day in Sampoiniet of the Aceh province on Oct 4. Image by AFP

Mexican Air Force planes fly over the Zocalo Square during the celebration of the anniversary of the country's independence, in Mexico City, on Sept 16. -- Image by AFP