Thousands gather as flames rise in the heart of St. Petersburg.<br /> <br />3D images depicting Russian history dance across the General Staff building, in celebration of the Russian Hermitage museum's 250th anniversary.<br /> <br />Organizers say this show traces parallels between Russian history and the museum's artwork.<br /> <br />(SOUNDBITE) LIGHT SHOW PROJECT PRODUCER, YEKATERINA GALANOVA, SAYING:<br /> <br />"It was important of course to keep a certain historical authenticity. On one hand not to lose the artistic part, on the other hand, not to make some historical errors, so that from the point of view of history we retell it in the most correct way."<br /> <br />But amid celebrations -- controversy. This 2,500 year-old statue of a Greek River God is causing outcry in Greece. Their authorities say it was among many marble statues looted from the Parthenon by the Earl of Elgin... and they've fought for generations to get it back.<br /> <br />But now, on loan from London's British Museum for the first time in 200
