Friday 1 July 2016 marks the centenary of the beginning of the Battle of the Somme, the biggest conflict seen on the Western Front during World War I. Here are some of the most arresting photos from the war. Contains graphic images.
She was buried 9000 years ago in Bäckaskog at the age of 45. The Bäckaskog woman is the oldest and most famous skeleton found in Sweden. In her grave a spear head was found, suitable for hunting and fishing, made of bone and sharp flint blades. She lived at a time when the climate was warm and humid with dense forests of oak, elm and ash trees. Fishing became more important as the sea level rose and new lagoons were created.
Tiya is among the most important of the roughly 160 archaeological sites discovered so far in the Soddo region, south of Addis Ababa. The site contains 36 monuments, including 32 carved stelae covered with symbols, most of which are difficult to decipher. They are the remains of an ancient Ethiopian culture.
Pisco Valley, Peru: Thousands of man-sized holes are carved into barren rock. These strange holes, stretch for a mile over uneven mountain terrain. Some sections have holes in rigid and perfect precision; some run in rows that curve up in arches, some staggered lines. They vary in depth to about 6-7 feet deep yet some are merely shallow indents as if not completed. To date, no one has a clue why they're here, who made them or what they were.