The Art Nouveau/Jugenstil architectural features in Riga's historic center are unique in the world. The quality and quantity of these, as well as its wooden nineteenth century structures are of exceptional universal value.
Joint listing: Belarus, Estonia, Finland, Latvia, Lithuania, Norway, Republic of Moldova, Russian Federation, Sweden, Ukraine
The Struve Arc is a chain of survey triangulations running through ten countries and over 2,820km from Hammerfest in Norway to the Black Sea. The survey was carried out between 1816 and 1855 by the astronomer Friedrich Georg Wilhelm Struve, and represented the first accurate measuring of a long segment of a meridian. 34 of the original 265 station points are included in the listing.
See Belarus listing for more information.
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Last updated: September 17, 2023