BBC News tells the story of the construction of one of the seven wonders of the modern world.
Islamist rebels from Syria reportedly withdraw from the Lebanese border town of Arsal after days of fighting with the Lebanese army ended in a truce.
The government says its badger vaccination project in Gloucestershire is still a vital part of its plan to tackle bovine TB.
24 hours of news photos: 7 August
Readers' photos on the theme of "railways"
Inside family albums in Cambodia
Winners of the National Geographic photo competition
Proposals to extend Crossrail to Hertfordshire are to be considered by the government, the transport secretary is expected to announce.
Andy Murray takes just 54 minutes to defeat Australia's Nick Kyrgios in his first match at the Rogers Cup.
Heather Watson books a third-round Rogers Cup clash with Victoria Azarenka after defeating Dominika Cibulkova.
Details of road closures around the Celtic Manor which will host September's Nato summit of world leaders are announced as work to erect over 12 miles (20 km) of security fencing starts.
Cambodia's UN-backed tribunal convicts two top Khmer Rouge leaders of crimes against humanity and jails them for life.
Argentine human rights activist Estela Carlotto is reunited with her long-lost grandson after discovering his whereabouts earlier this week.