State Enterprise Radioactive Waste puts together pieces of unique Bulgarian architecture as part of its traditional internal photography contest. For eighth year in a row, the company starts the photography competition. This year’s topic is: Eternity: the old Bulgarian houses. The challenge for all lover of the lens in the enterprise is to present their pictures taken in different regions across Bulgaria. The pictures should show houses and architecture built in the Bulgarian national Revival style from different ethnographic regions of Bulgaria; authentic and old houses of the Bulgarian village; houses-ethnographic museums and all others that relate to the Bulgarian history and culture. Each competitor may present up to five pictures with resolution suitable for print, brief information about the picture – where was it taken, as well as the names of the author.