Best photos of October 6: From a human tower in Spain to Halloween events in Somerset

The National picks the most striking images from around the world

Members of the Colla Joves Xiquets de Valls group form a human tower called a "castell" during the biannual human tower competition in Tarragona, Spain. Reuters

The Sarang Helicopter Display Team takes to the skies ahead of Indian Air Force Day, at Marina Beach in Chennai. AFP

A Hindu devotee performs around the fire during a religious procession in Chandigarh. AFP

Abandoned train wagons on old railroad tracks, creating a train graveyard, in Thessaloniki, Greece. EPA

Tourists ride in a human-powered gondola lift to cross to Karang Watu Panjang Island, a popular tourist attraction, at Timang Beach, Gunung Kidul, Yogyakarta. AFP

O Jin U Artillery Academy graduates train at an undisclosed location in North Korea. Reuters

The aftermath of floods and landslides in the village of Donja Jablanica, Bosnia and Herzegovina. Reuters

A couple look around Wookey Hole caves, near Wells in Somerset, where a giant blood moon hangs from the roof of a cave to mark Halloween. PA Photo.