An old-school GE 3D puzzle [ANSWER]

This is one of my friends working as an alpine window cleaner.



GM/GE 3D view please

Those blue trams threw me off to a different city and country, but I kept looking and finally found it.

Finally found it through good old RIS.

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One of the top-10 tallest buildings in my hometown if you discount political, industrial and religious edifices.

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This is the Schönherz dormitory of the University of Technology in Budapest, one of tallest residential buildings in Budapest.



Coordinates 47°28'23.85"N 19° 3'10.41"E