River promenade and Spree terraces at the new Berlin Palace or Humboldt Forum, Unter den Linden, Berlin, Germany, Europe

alexander von humboldt berlin castle berlin palace berlin buildings building central europe city palaces city palace college deserted educational institutions educational institution educational system education empty europe famous place field of education fields of education forums forum german federal republic germany humboldt university humboldt universitaet humboldt forum humboldt university of berlin humboldt university humboldt universitaet middle europe natural sciences natural science natural scientific natural scientists natural scientist new nobody no one no people palaces palace place of interest promenades promenade river promenades river promenade sciences science scientific research scientific sights sight spree terraces tourist attractions tourist attraction training centers training center training centre trainings training travel photography uninhabited universities university buildings university building university college university unter den linden urban palace