I study here http://westway-park.com/ran-atenolol-thyp atenolol chlorthalidone medscape Muslim pilgrims, one sitting on a chair, perform the afternoon prayer in Mecca's Grand Mosque on October 10, 2013, as more than 2 million Muslims have arrived in Saudi Arabia for the hajj pilgrimage to the shrine city, the world's largest annual human assembly which peaks on October 13, according to local state media.