Identify at least three specific archaeological sites labeled on the map and mention the period they belong to.

Specific Archaeological Sites and Periods:

• Sungir (Сунгирь): This Paleolithic site is indicated by a triangle symbol, signifying it belongs to the Neolithic (Stone Age) period. It is located in the European part of Russia.
• Arkaim (Аркаим): Represented by a circle symbol, this site is associated with the Bronze Age. It is located in the southern Ural region.
• Pazyryk (Пазырык): Marked with a diamond symbol, this site belongs to the Iron Age. It is located in the Altai Mountains region (though the map focuses on the broader Russian territory, its placement suggests this context).
• Malta (Мальта): A Paleolithic (Stone Age) site, indicated by a triangle, located in Siberia.
• Kostenki (Костенки): Another Paleolithic (Stone Age) site, marked with a triangle, located in European Russia.