Ed 3/4 # 51 of the former Bern-Schwarzenburg-Bahn (BSB), now owned and operated by the Dampfbahn Bern and based in Konolfingen, together with Ed 3/4 # 2 of the former Solothurn-Münster-Bahn (SMB), now owned and operated by Verein Historische Eisenbahn Emmental (VHE) an based in Huttwil, are tackling the grade from Gammenthal up to Griessbach and Affoltern-Weier with a mixed freight and passenger train, during a P.M. photo event.