Revelers equipped with colorful powders joined the “flour war” of Clean Monday celebrations on the streets of the Greek port town of Galaxidi. /VCG Photo

Clean Monday, also known as Ash Monday, is a traditional event that marks the end of the carnival season and the beginning of the 40-day Lent period until the Orthodox Easter. /VCG Photo

Those who wanted to protect themselves from the dust put on masks, plastic suits and goggles. Some villagers even covered their houses with plastic sheeting to avoid the mess altogether. /VCG Photo