EXCLUSIVE: Italy ’s Be Water Film and Rai Cinema have unveiled fresh images for Daniele Vicari ’s drama Bianco about an infamous 1961 mountaineering accident which happened as seven elite alpinists tried to scale Mont Blanc’s perilous central Frêney pillar. The ambitious 11.5M euro ($13.2M) project revisits the tragedy which continues to spark debate in mountaineering circles to this day. Alessandro Borghi ( The Eight Mountains ) stars as Italian alpinist Walter Bonatti who set out to conquer the pillar in July 1961 with trusted climbing partners Andrea Oggioni and Roberto Gallieni. Referred to at the time as “the last great problem”, the 800-meter (2,600 ft) vertical wall leading to Mont Blanc’s summit was the last unscaled face of Western Europe’s tallest mountain.…