The Surve arc is a chain of 265 points. It starts from Hammerfest, Norway and extends to the Odesa region, Ukraine. It passes through 10 countries, one of which is Latvia and is 2,820 km long. Other countries are Norway, Sweden, Finland, Russia, Estonia, Lithuania, Belarus, Moldova and Ukraine. These countries are addressing the UNESCO World Heritage Committee with a proposal to list the remaining 34 rainbow points on the UNESCO World Heritage List. That’s the way it is.
The geodesic arc bears the name of the astronomer Struve, who takes a major part in measuring it. The arc is designed to determine as precisely as possible the length of the meridian, respectively the size of the planet. The measurements of the arc continue for 40 years – from 1816 to 1855. Riga is a city particularly impressive with its architecture. It was also a major centre of trade between Eastern and Central Europe in the 13th-15th centuries. The capital is located on both banks of the Daugava River. Riga is the largest city in the three Baltic States and is the third-largest city located on the Baltic Sea after St. Petersburg and Stockholm.
The old city of Riga is completely preserved as it was in the Middle Ages. It is of exceptional value to the city and the entire country for its buildings that are classically representative of the Art Nouveau architectural style. They also have a great influence on the development of architecture in the Baltic States. The Old Town consists of three components – the Medieval Old Town, a semicircle of boulevards and neighbourhoods with residential buildings beyond the boulevards. Most of the houses are intact in time and the most interesting of them is the “Three Brothers House”, immaculately restored, dating from the 15th century. The two Reutem and Dammnstem houses are more monumental buildings, with impressive facades, decorations and decorations. The city walls were completely destroyed in the 19th century, but later part of them was reconstructed and supplemented with a bastion.
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