Rose oil production in Bulgaria's famous Rose Valley is set to increase by 25 percent according to a mid-season estimate by experts in spite of the climate changes and economy crisis. Bulgaria is traditionally one of the biggest world exporters of high-grade rose oil along with Morocco and neighboring Turkey, with clients mostly from the United States, France, Germany, United Kingdom and Japan. Rose oil is the most commonly used essential oil in the perfume industry.

Decorated eggs are seen at the egg museum in Winden am See, Austria, March 25, 2016. The collection of Austrian artist Wander Bertoni contains about 4000 eggs. (Photo by Christian Bruna/EPA)

The Museum of Feelings doesn't really have “exhibits" in the conventional sense; rather, visitors move from one themed alcove to another, five in total, each with its own distinctive aroma. The “Optimistic Room," bathed in vivid pink and purple light, is little more than a lightshow, with patrons using small reflective panels to bounce light around the room. Here: People interact in the “optimistic” room at the Museum of Feelings, a pop-up installation in New York, December 15, 2015. (Photo by Stephanie Keith/Reuters)

Take a look at this stunning photo of Tolbachik, an active volcanic complex on the Kamchatka Peninsula in far eastern Russia. Lava fountains and rivers ran through the area for months after the eruption began with the opening of two Tolbachik fissures in November of 2012. In the midst of this activity, photographers Luda and Andrey (lusika33) took a trip down to see that stunning hell valley on earth. (Photo by lusika33)

Victorian stuffed animals created by taxidermist Walter Potter at Potter's Museum of Curiosity in Bolventor, Cornwall. Potter created tableaux based on nursery rhymes, among them, “The House That Jack Built”, “The Guinea Pigs Cricket Match”, and “The Death and Burial of Cock Robin”. (Photo by Graham French/BIPs/Getty Images). 5th April 1973