Architectural detail of Poppelsdorfer Allee, an avenue lined with chestnut trees that connects the Kurfürstliches Schloss to the Poppelsdorfer Schloss, whose grounds now house the Botanischer Garten Bonn (Bonn Botanical Garden).

Spring, morning, Poppelsdorfer Schloss(castle) - former summer residence of elector Clemens August in Bonn, North Rhine- Westfalia, Germany, Europe