1. Associated building and institution area with a street as address

    Closed · #54626813
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  2. Added and corrected access paths, added existing blocking structures to them.

    Closed · #54626374
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  3. Added two buildings of the institution and information about them, corrected main building by merging disjointed outlines

    Closed · #54625963
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  4. Corrected full name of observatory, land use tags, etc. Added organization address, website, wikipedia article, etc.

    Closed · #54625498
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