Young Jewish worshippers stand next to stones believed to be left in place after the First and Second Temples were destroyed on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

Stones believed to be left behind after the First and Second Temples were destroyed are seen on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

Jewish worshippers wait near the compound known to Muslims as Noble Sanctuary and to Jews as Temple Mount on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

A general view shows Jewish worshippers praying on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, at the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

Jewish worshippers pray on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

Jewish worshippers pray on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

A Jewish worshipper rests on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

Jewish worshippers pray on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

A Jewish worshipper wears tefillin, leather straps and boxes containing sacred parchments, as he prays on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

A Jewish worshipper prays on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

Jewish worshippers pray on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

A Jewish worshipper rests on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen TPX IMAGES OF THE DAY

A Jewish worshipper rests on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

Jewish worshippers pray on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

Jewish worshippers pray on Tisha B'Av, a day of fasting and lament, that commemorates the date in the Jewish calendar on which it is believed the First and Second Temples were destroyed, near the Western Wall in Jerusalem's Old City August 11, 2019. REUTERS/Amir Cohen

A protester offers a paper flower to pay honours to a man, who died after falling from a scaffolding at the Pacific Place complex while protesting, during a demonstration demanding Hong Kong's leaders to step down and withdraw the extradition bill, in Hong Kong, China, June 16, 2019. REUTERS/Thomas Peter TPX IMAGES OF THE DAY

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad TPX IMAGES OF THE DAY

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Members of Israel's Arab minority take part in a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Israeli security forces watch from a hillside as members of Israel's Arab minority hold a rally marking the "Nakba" or "Catastrophe", when Palestinians lament the loss of their homeland in the 1948-49 war, that caused the creation of Israel, near the abandoned village of Khubbayza, northern Israel May 9, 2019. REUTERS/Ammar Awad

Monks take part in a Buddhist ceremony as a tribute to victims, a week after a string of suicide bomb attacks across the island on Easter Sunday, at Kingsbury Hotel in Colombo, Sri Lanka April 28, 2019. REUTERS/Thomas Peter TPX IMAGES OF THE DAY

A man holds a candle during a vigil to show solidarity with the victims of Sri Lanka's serial bomb blasts, inside a college in Kolkata, India, April 26, 2019. REUTERS/Rupak De Chowdhuri

A woman holds a candle during a commemoration ceremony at a memorial, dedicated to firefighters and workers who died after the Chernobyl nuclear disaster, during a night service in Slavutych, Ukraine April 25, 2019. REUTERS/Valentyn Ogirenko

A woman holds a rosary as silence is observed as a tribute to victims, two days after a string of suicide bomb attacks on churches and luxury hotels across the island on Easter Sunday, during a memorial service in Colombo April 23, 2019. REUTERS/Dinuka Liyanawatte

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATH Saleh Hassan al-Faqeh holds the hand of his four-month-old daughter, Hajar, who died at the malnutrition ward of al-Sabeen hospital in Sanaa, Yemen, November 15, 2018. REUTERS/Mohamed al-Sayaghi SEARCH "POY GLOBAL" FOR FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2018 PACKAGES. TPX IMAGES OF THE DAY.

A piper plays "When the Battle's O'er", a traditional Scottish lament played after a battle, during the 100th anniversary of the end of World War One, outside St Albans Cathedral, Britain, November 11, 2018. REUTERS/Paul Childs TPX IMAGES OF THE DAY

A piper plays "When the Battle's O'er", a traditional Scottish lament played after a battle, during the 100th anniversary of the end of World War One, outside St Albans Cathedral, Britain, November 11, 2018. REUTERS/Paul Childs

A piper plays "When the Battle's O'er", a traditional Scottish lament played after a battle, during the 100th anniversary of the end of World War One, outside St Albans Cathedral, Britain, November 11, 2018. REUTERS/Paul Childs

A piper plays "When the Battle's O'er", a traditional Scottish lament played after a battle, during the 100th anniversary of the end of World War One, outside St Albans Cathedral, Britain, November 11, 2018. REUTERS/Paul Childs

A piper plays "When the Battle's O'er", a traditional Scottish lament played after a battle, during the 100th anniversary of the end of World War One, outside St Albans Cathedral, Britain, November 11, 2018. REUTERS/Paul Childs

A piper plays "When the Battle's O'er", a traditional Scottish lament played after a battle, during the 100th anniversary of the end of World War One, outside St Albans Cathedral, Britain, November 11, 2018. REUTERS/Paul Childs

A piper plays "When the Battle's O'er", a traditional Scottish lament played after a battle, during the 100th anniversary of the end of World War One, outside St Albans Cathedral, Britain, November 11, 2018. REUTERS/Paul Childs

Piper Craig Davison (L) plays the traditional Scottish lament "When The Battle's O'er" alongside his son, Jack and daughter Georgina to mark the 100th anniversary of the end of World War One in front of the war memorial at St Giles' Church, in Mountnessing, Britain, November 11, 2018. REUTERS/John Sibley

Piper Craig Davison (L) plays the traditional Scottish lament "When The Battle's O'er" alongside his son, Jack and daughter Georgina to mark the 100th anniversary of the end of World War One in front of the war memorial at St Giles' Church, in Mountnessing, Britain, November 11, 2018. REUTERS/John Sibley

Piper Craig Davison (L) plays the traditional Scottish lament "When The Battle's O'er" alongside his son, Jack and daughter Georgina to mark the 100th anniversary of the end of World War One in front of the war memorial at St Giles' Church, in Mountnessing, Britain, November 11, 2018. REUTERS/John Sibley

Mourners are seen at a vigil for families of victims of a mass shooting in Thousand Oaks, California, U.S. November 8, 2018. REUTERS/Eric Thayer

A man mourns at a memorial wall bearing the names of those killed during the Georgian-Abkhazian war during a ceremony marking an anniversary of the conflict in Tbilisi, Georgia, September 27, 2018. REUTERS/David Mdzinarishvili TPX IMAGES OF THE DAY

A relative of a Palestinian, who was killed by Israeli troops, reacts at a hospital in Ramallah, in the occupied West Bank June 6, 2018. REUTERS/Mohamad Torokman TPX IMAGES OF THE DAY

A relative of a Palestinian, who was killed by Israeli troops, reacts at a hospital in Ramallah, in the occupied West Bank June 6, 2018. REUTERS/Mohamad Torokman

A relative of a Palestinian, who was killed by Israeli troops, reacts at a hospital in Ramallah, in the occupied West Bank June 6, 2018. REUTERS/Mohamad Torokman

The Darwin cemetery, where Argentine soldiers who died during the Falklands war are buried, is seen in the Falkland Islands, May 16, 2018. Picture taken May 16, 2018. REUTERS/Marcos Brindicci

A teacher waves a sign lamenting the loss of Oklahoma teachers to Texas outside the state Capitol on the second day of a teacher walkout in Oklahoma City, Oklahoma, U.S., April 3, 2018. REUTERS/Nick Oxford

A woman reacts during a funeral of a victim of a shopping mall fire at a cemetery in Kemerovo, Russia March 28, 2018. REUTERS/Maxim Lisov TPX IMAGES OF THE DAY

Flag of Belarus is lowered at half-mast on the day of national mourning in Russia for the victims of a shopping mall fire in Kemerovo, in Minsk, Belarus March 28, 2018. REUTERS/Vasily Fedosenko

A Russian state flag is lowered at half-mast on the day of national mourning for the victims of a shopping mall fire in Kemerovo, with the coat of arms of the Soviet Union seen on the facade of the building of the lower house of parliament, State Duma, in central Moscow, Russia March 28, 2018. REUTERS/Sergei Karpukhin

A flag with the coat of arms of Russia is lowered at half-mast on the day of national mourning for the victims of a shopping mall fire in Kemerovo at the Kremlin in central Moscow, Russia March 28, 2018. REUTERS/Sergei Karpukhin

The flag of Belarus is lowered at half-mast on the day of national mourning in Russia for the victims of a shopping mall fire in Kemerovo, at the Russian embassy in Minsk, Belarus March 28, 2018. REUTERS/Vasily Fedosenko

A woman reacts during a funeral of a victim of a shopping mall fire at a cemetery in Kemerovo, Russia March 28, 2018. REUTERS/Maxim Lisov

A woman lights a candle as she prays for victims of the March 11, 2011 earthquake and tsunami disaster, at a park in Tokyo, Japan, March 11, 2018, to mark the seventh-year anniversary of the disaster that killed thousands and set off a nuclear crisis. REUTERS/Toru Hanai

A woman attends a moment of silence at 2:46 p.m. (0546 GMT), the time when the magnitude 9.0 earthquake struck off Japan's coast in 2011, during a rally in Tokyo, Japan March 11, 2018, to mark the seventh-year anniversary of the earthquake and tsunami that killed thousands and set off a nuclear crisis. REUTERS/Toru Hanai