Caviar sturgeon from the Sea of Azov began reaching the tables of aristocratic and noble Byzantine Greeks in the 10th century, after the commencement of large-scale trading between the Byzantine Empire and Kievan Rus'. The main types of caviar are Beluga, Sterlet, Kaluga hybrid, American osetra, Ossetra, Siberian sturgeon and Sevruga. The rarest and costliest is from beluga sturgeon that swim in the Caspian Sea, which is bordered by Iran, Kazakhstan, Russia, Turkmenistan, and Azerbaijan. Wild caviar production was suspended in Russia between 2008 and 2011 to allow wild stocks to replenish. Azerbaijan and Iran also allow the fishing of sturgeon
Types of cheese and some are moulded into the shape of animals and objects. It is also available as "Easy Cheese", a product distributed by Mondelez International, that is packaged in aerosol cans and available in some countries. Some, if not most, varieties of processed cheese are made using a combination of real cheese waste (which is steam-cleaned, boiled and further processed) whey powders, and various mixtures of vegetable, palm oils or fats. Some processed-cheese slices contain as little as two to six percent cheese; some have smoke flavours added. Types of cheese Types of cheese are grouped or classified according to criteria