“The Mark of Time”. Two elder women from the village Stoilovo sit down to enjoy the festivities at the annual Zelenika Festival that takes place in the Strandja mountains just outside of Stoilovo. The festival celebrates the flowering of the Strandja Zelenika, a plant that is indigenous to the Strandja mountains. Location: Stoilovo, Bulgaria. (Photo and caption by Daniel Scott/National Geographic Traveler Photo Contest)