LONDON, ENGLAND – JUNE 19: People leave the East London Mosque after attending the first Friday prayers of the Islamic holy month of Ramadan on June 19, 2015 in London, England. Muslim men and women across the world began to observe Ramadan, a month long celebration of self-purification and restraint, earlier this week. During Ramadan the Muslim abstain from eating, drinking, smoking and having sex between sunrise and sunset, breaking their fast with an Iftar meal after sunset. (Photo by Rob Stothard/Getty Images)