More than 40,000 people from across Greece and other 50 countries are taking part in the three-day International Convention of Jehovah's Witnesses at the Olympic Stadium, in Athens on June 28, 2014
More than 40,000 people from across Greece and other 50 countries are taking part in the three-day International Convention of Jehovah's Witnesses at the Olympic Stadium, in Athens on June 28, 2014