Saturated fats and unsaturated fats are found in a variety of foods. The types of fats to consume if you are following a lipid-lowering diet has been the subject of some controversy. Some studies suggest that these all of these fats are not created equal.
Definition: A matryoshka (plural: matryoshki) is a Russian nesting doll. Nesting dolls are often used as symbols of Russian culture, but matryoshka dolls have their origins in similar dolls made in Japan. Matryoshka dolls are popular souvenirs.
Another very common interpretation is the association of  colours with the main parts of the Russian Empire: white thus  represents Belarus (White Russia), blue Ukraine (or  Malorossia, Little Russia), and red Great Russia.