Sunyani, Ghana - October 2017 - On 22 October, World Mission Day, the 25th anniversary of the Salesian presence in Sunyani was celebrated in the presence of Fr Petrus Obermüller, Provincial of Austria (AUS), Fr Josef Grünner, Director of the Salesian Missionary Bureau of Bonn, and the Salesian coadjutor Günter Mayer, director of the Salesian Missionary Bureau of'Austria.