Muslim men attend an evening prayer called "Tarawih", during the holy fasting month of Ramadan, at Al Azhar mosque in the old Islamic area of Cairo, Egypt, June 13, 2016. REUTERS/Mohamed Abd El Ghany - RTX2G299

Members of a Palestinian traditional band beat drums as they call for Muslims to wake up for their meal eaten before the beginning of the fast, prior to morning prayers, during the holy month of Ramadan, in the old city of the West Bank city of Hebron June 12, 2016. REUTERS/Mussa Qawasma - RTX2FQ7O

A salesman carries a prayer timetable to display it for sale ahead of the Muslim fasting month of Ramadan in Kolkata, India, June 6, 2016. REUTERS/Rupak De Chowdhuri - RTSG66G

A migrant prays during the first day of Ramadan at a state-run camp for refugees and migrants in Schisto, near Athens, Greece June 6, 2016. REUTERS/Alkis Konstantinidis - RTSG990

A Musaharati, or dawn awakener, strikes his drum to wake observant Muslims for their overnight 'sahur', last meal, before the day's fast during Ramadan in Sidon's Old City in south Lebanon just before dawn. REUTERS/Ali Hashisho

Muslims gather around the Kaaba inside the Grand Mosque during the holy fasting month of Ramadan in Mecca, Saudi Arabia. REUTERS/Faisal Al Nasser

A man sets out food for fasters to break fast on the first day of the Muslim holy month of Ramadan in a mosque in Peshawar, Pakistan. REUTERS/Fayaz Aziz

Palestinian girls read the Koran during the holy fasting month of Ramadan at a mosque in Rafah in the southern Gaza Strip. REUTERS/Ibraheem Abu Mustafa

A Palestinian girl reads the Koran during the holy fasting month of Ramadan at a mosque in Rafah in the southern Gaza Strip. REUTERS/Ibraheem Abu Mustafa

Indonesian Muslims are seen praying in the staircase of a mosque during Friday prayers during the fasting month of Ramadan in Jakarta, Indonesia. REUTERS/Darren Whiteside

Muslims wait to offer the first Friday prayers of the holy month of Ramadan at Jama Masjid (Grand Mosque) in the old quarters of Delhi, India. REUTERS/Adnan Abidi

Muslims attend the Ramadan tarawih prayer at Istiqlal mosque in Jakarta, Indonesia, June 5, 2016. REUTERS/Beawiharta TPX IMAGES OF THE DAY - RTSG5XN

A woman with her daughter look at a stall selling festival lights and Ramadan lanterns, or "fanoos Ramadan", at Sayida Zienab district market during the first day of Ramadan in old Cairo, Egypt June 6, 2016. REUTERS/Amr Abdallah Dalsh - RTSG7V0

An Egyptian man reads the Koran inside Al-Hakim bi-Amr Allah Mosque after the first Friday prayers during the holy fasting month of Ramadan, in Cairo, Egypt June 10, 2016. REUTERS/Amr Abdallah Dalsh TPX IMAGES OF THE DAY - RTSGXD1

Muslims offer the first Friday prayers of the holy month of Ramadan outside a mosque in Srinagar. REUTERS/Danish Ismail

A baby (R) lies as Muslim women offer prayers at the shrine of Sheikh Abdul Qadir Jeelani, a Sufi saint, during the holy fasting month of Ramadan in Srinagar. REUTERS/Danish Ismail

A truck loaded with cows is driven to the slaughterhouse during the holy month of Ramadan in Cairo, Egypt. REUTERS/Amr Abdallah Dalsh

Women read Koran as boys rest inside Istiqlal mosque during the holy month of Ramadan in Jakarta, Indonesia. REUTERS/Beawiharta

A Palestinian girl prays in front of the Dome of the Rock, at the compound known to Muslims as Noble Sanctuary and to Jews as The Temple Mount, in Jerusalem's Old City during the holy month of Ramadan. REUTERS/ Ammar Awad

Muslims eat their iftar (breaking of fast) meal at a water pump workshop in the old quarters of Delhi, India. REUTERS/Adnan Abidi

An Indonesian Muslim boy climbs down from a position in a busy mosque after Friday prayers during the fasting month of Ramadan in Jakarta, Indonesia. REUTERS/Darren Whiteside

Muslims touch the holy Kaaba at the Grand Mosque during the holy fasting month of Ramadan in Mecca, Saudi Arabia. REUTERS/Faisal Al Nasser

A Muslim woman (L) reads the Koran as other pray during the first day of the holy fasting month of Ramadan at Istiqlal mosque in Jakarta, Indonesia June 6, 2016. REUTERS/Beawiharta - RTSG98P

A workers removes dried vermacelli to bake ahead of Ramadan in Rawalpindi, Pakistan, June 1, 2016. REUTERS/Faisal Mahmood - RTX2F9M9

An Afghan girl reads the Koran in a madrasa, a religious school, during the holy month of Ramadan in Kabul, Afghanistan June 16, 2016. REUTERS/Mohammad Ismail - RTX2GLB0

El Mesaharty, Hussien, 40, wakes up residents for their pre-dawn meals during the first day of Ramadan in Cairo, Egypt June 6, 2016. REUTERS/Amr Abdallah Dalsh - RTSG7D8

Migrants pray during the first day of Ramadan at a state-run camp for refugees and migrants in Schisto, near Athens, Greece June 6, 2016. REUTERS/Alkis Konstantinidis - RTSG98X

A baker prepares dough for bread ahead of Ramadan in Peshawar, Pakistan, May 31, 2016. REUTERS/Fayaz Aziz - RTX2F9MT

Muslim men look towards the sky to spot the crescent moon, on the eve of the holy fasting month of Ramadan, at the Jama Masjid (Grand Mosque) in the old quarters of Delhi, India, June 6, 2016. REUTERS/Adnan Abidi - RTSG98S

Muslims attend the Ramadan tarawih prayer at Istiqlal mosque in Jakarta, Indonesia, June 5, 2016. REUTERS/Beawiharta - RTSG35N

Food for the Iftar (breaking fast) meal is seen on a table at a refugee shelter in a former hotel in Berlin, Germany June 9, 2016. Image used for illustrative purpose.

A member of "?Mawlay Ensemble" band and whirling dervish performs a traditional Mawlawi Sufi dance during the Muslim fasting month of Ramadan at Cultural Center EL-Raba in Old Cairo, Egypt June 16, 2016. REUTERS/Amr Abdallah Dalsh - RTX2GRAX

People browse around stalls selling festival lights and Ramadan lanterns, or "fanoos Ramadan", at Sayida Zienab district market during the first day of Ramadan in old Cairo, Egypt June 6, 2016. REUTERS/Amr Abdallah Dalsh - RTSG7SA

A vendor pours traditional Ramadan drink on the first day of the holy fasting month of Ramadan in Tripoli, Lebanon June 6, 2016. REUTERS/Omar Ibrahim - RTSG975

A vendor prepares traditional sweets, during the Muslim fasting month of Ramadan in Baghdad, June 13, 2016. Image used for illustrative purpose.