On September 5, 2023, the exhibition "The River" was opened in Art Gallery "Boris Denev", Veliko Tarnovo, with which the gallery participated in the European Heritage Days.
The idea for the event was mutually accomplished by the participation of Art Gallery Boris Denev, Veliko Tarnovo and the support of George Papazov Art Gallery, Yambol. The River, as a unifying bond, due to its role connecting the town of Veliko Tarnovo and the town of Yambol, presenting important authors for Bulgarian art.