Revelers throw flour as they participate in the flour war, a unique colorful flour fight marking the end of the carnival season, in the port town of Galaxidi, some 200 kilometers (120 miles) west of Athens, Monday, February 19, 2018. The flour fight, on the coastal road lining Galaxidi's old harbor, takes place on Clean Monday, the beginning of the 40-day Christian Lent fast that ends on Easter Sunday. (Photo by Petros Giannakouris/AP Photo)





Revellers celebrate “Ash Monday” by participating in a colourful “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in the port town of Galaxidi, Greece, February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)





Revellers celebrate “Ash Monday” by participating in a colourful “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)





A “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in the port town of Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)





Revellers celebrate “Ash Monday” by participating in a colourful “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)





Revellers celebrate “Ash Monday” by participating in a colourful “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)





Revellers celebrate “Ash Monday” by participating in a colourful “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)





Revellers celebrate “Ash Monday” by participating in a colourful “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)





A reveller throws colored flour in Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)





Revellers celebrate Ash Monday by participating in a flour war in Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)





Two revellers kiss as they celebrate Ash Monday in Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)





Revelers throw flour as they participate in the flour war, a unique colorful flour fight marking the end of the carnival season, in the port town of Galaxidi, some 200 kilometers (120 miles) west of Athens, Monday, February 19, 2018. (Photo by Petros Giannakouris/AP Photo)





Revelers throw flour as they participate in the flour war, a unique colorful flour fight marking the end of the carnival season, in the port town of Galaxidi, some 200 kilometers (120 miles) west of Athens, Monday, February 19, 2018. (Photo by Petros Giannakouris/AP Photo)





Revelers throw flour as they participate in the flour war, a unique colorful flour fight marking the end of the carnival season in the port town of Galaxidi, some 200 kilometers (120 miles) west of Athens, Monday, February 19, 2018. (Photo by Petros Giannakouris/AP Photo)





Two revellers are seen amid flare smoke as they celebrate “Ash Monday” by participating in a colourful “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in the port town of Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)