The torch's journey to Beijing is the longest ever, lasting 130 days and covering 137,000 kilometres (85,000 miles) worldwide. Most of it will be on Chinese soil.
Aside from Athens, the flame will only stop in London and Paris among European capitals. It will stop in San Francisco and Buenos Aires in the Americas and just Dar es Salaam in Africa.
Upon arrival in Beijing, one flame will be separated from the torch and kept in a special lantern to be taken to the summit of Mount Everest during early May and then return to Tibet.
Yesterday's protest could be just the start:
at 2:12:00 pm