Lazar and his sister Andjelka sit by a candle in their home in the eastern Serbian town of Majdanpek, December 4, 2014. Electricity workers in Serbia struggled through snow, ice and treacherous terrain on Thursday to restore electricity to an eastern town left shivering without power, heating or running water for a fourth day. (Photo by Marko Djurica/Reuters)

In this photo taken on Saturday, April 29, 2017, a candle is lit in a roadside shrine as the sun sets across a nearby lake of Pineia in the village of Souli, in the Peloponnese region of southern Greece. Made of iron sheeting, stone, wood, concrete or marble, tens of thousands of such shrines punctuate Greece’s roadside scenery, a common sight in a country that has one of the European Union’s worst road fatality rates. (Photo by Petros Giannakouris/AP Photo)

A Buddhist monk lights a candle at Wat Phra Dhammakaya during a ceremony on Makha Bucha Day in Pathum Thani province, north of Bangkok February 22, 2016. Makha Bucha Day honours Buddha and his teachings, and falls on the full moon day of the third lunar month. (Photo by Jorge Silva/Reuters)

Incredible drone image capture colourful water lilies being harvested in An Giang Province, Vietnam, Southeast Asia on September 2020. Water lilies are an iconic symbol in the Mekong Delta and the flowers are immediately sent to market before landing on meal tables. Their stalks are edible and can be eaten raw with either fermented paste or braised sauce, or dunked into sour soup or hotpot. (Photo by Nguyen Sanh Quoc Huy/Triangle News)

In this Thursday, February 19, 2015 photo, participants at a seminar on edible insects taste a Cricket Consomme at Le Cordon Bleu cooking school in Bangkok, Thailand. A group of chefs and food scientists at the esteemed French school's branch in Bangkok spent the week simmering, sautéing and grilling insects to extract innovative flavors they say could open a new frontier for the world of gastronomy. (Photo by Sakchai Lalit/AP Photo)

The summit of one of Europe's tallest mountains glows like the flame of a candle as the sun rises on a clear morning. The Matterhorn, famous for appearing on bars of Toblerone chocolate bars, reflects the vivid orange light at 5.37am. (Photo by Margarethe Jaeger/Solent News & Photo Agency)

A candle burns during a vigil in Aotea Square to remember victims of the Paris attacks on November 14, 2015 in Auckland, New Zealand. According to reports, over 150 people were killed in a series of bombings and shootings across Paris, including at a soccer game at the Stade de France and a concert at the Bataclan theater. (Photo by Hannah Peters/Getty Images)

An Indian Hindu man dressed as Lord Shiva holds a lit candle in his mouth as he takes part in a religious procession ahead of the Maha Shivratri Festival in Jalandhar on February 22, 2017. Hindus mark the Maha Shivratri festival by offering special prayers and fasting to worship Lord Shiva, the lord of destruction. (Photo by Shammi Mehra/AFP Photo)