On four previous occasions, Lazaros Filippidis , a member of the Marbles Reunited campaign  has organised distribution of flyers outside the British Museum to raise awareness for the campaign for the return of the Parthenon Marbles.
Following the success of these previous events, a fifth distribution of leaflets is planned to take place outside the British Museum on 5th July at 13:00. People will meet for the event in Starbucks opposite the British Museum. If you want to join in, could you contact Lazaros through the details given on his website  to let him know that you will be joining in.
Samples of the flyers that are going to be distributed can be seen here .
If you are believe that the Parthenon Marbles should be returned to Greece, but have never actively done anything about it, this is a great way to get involved with the campaign.