A group of children are now carrying large British and Greek flags.
Greek president Karolos Papoulias is accompanied by Spyros Capralos, the president of the Hellenic Olympic Committee.
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The Duke of Cambridge is to end his role as an air ambulance pilot and become a full-time Royal, Kensington Palace has announced.
The UN released the before and after images and described the damage, reportedly caused by Islamic State, as 'a new war crime'.
The 16-year-old's body was found on January 16 on a pathway in Dinnington, South Yorkshire.