India's Border Security Force (BSF) soldiers ride their camels during a rehearsal for the “Beating the Retreat” ceremony in New Delhi, India, January 27, 2016. The ceremony symbolises retreat after a day on the battlefield, and marks the official end of the Indian Republic Day celebrations. It is held every year on January 29. (Photo by Anindito Mukherjee/Reuters)

This photo taken on June 19, 2017 shows Indian yoga teacher Mahesh Yogiji attempting a world record for the longest yoga session in Ahmedabad, ahead of International Yoga Day on June 21. According to Guiness World Records, the longest yoga marathon undertaken by a man lasted 69 hours and was achieved by V Gunasekaran in Tamil Nadu in June 2016. (Photo by Sam Panthaky/AFP Photo)

An Indian Hindu widow smeared with colors sits and watches others playing during Holi celebrations at the Gopinath temple, 180 kilometres (112 miles) south-east of New Delhi, India Monday, March 21, 2016. A few years ago this joyful celebration was forbidden for Hindu widows. Like hundreds of thousands of observant Hindu women they would have been expected to live out their days in quiet worship, dressed only in white, their very presence being considered inauspicious for all religious festivities. (Photo by Manish Swarup/AP Photo)

A few Catholic devotees manage to get closer to either kiss or rub with towels the cross of the image of the Black Nazarene as they take part in a raucous procession to celebrate its feast day in Manila, Philippines, Saturday, January 9, 2016. As in the past, the annual procession attracts thousands of devotees with scores being injured and saw the deployment of hundreds of police and soldiers. (Photo by Bullit Marquez/AP Photo)

Fire rises from an oil tank in the port of Es Sider, in Ras Lanuf, Libya January 4, 2016. Firefighters have extinguished two fires at oil storage tanks at Libya's Ras Lanuf terminal, but blazes continue at five tanks in the nearby port of Es Sider after attacks this week by Islamic State militants, a Petroleum Facilities Guards (PFG) spokesman said on Thursday. (Photo by Reuters/Stringer)

A man carries a blood stained stretcher in a site hit by what activists said were airstrikes carried out by the Russian air force in the town of Douma, eastern Ghouta in Damascus, Syria January 10, 2016. (Photo by Bassam Khabieh/Reuters)

A man watches the huge waves which brakes at the Paseo Nuevo's promenade in San Sebastian, Basque Country, Spain on 11 January 2016 where the wind has reached to 90 km/h and have been registred waves of eight kilometres due to the bad weather. (Photo by Juan Herrero/EPA)

Pinatas depicting Mexican actress Kate del Castillo (L) and the drug lord Joaquin “El Chapo” Guzman are displayed outside a workshop in Reynosa, in Tamaulipas state, Mexico, January 13, 2016. (Photo by Daniel Becerril/Reuters)