The elephant park at Cologne Zoo | Photo: zoos.media 23. December 202021. December 2020 history, media-echo « back Cologne Zoo listens to piano music Published on Cologne Zoo’s Facebook page the 11.12.2020. Piano music is also enrichment, and Cologne Zoo has linked this to an important campaign: Thelonious Herrmann has started an appeal for donations to the zoo for the sake of conservation. » to the full video Share this post