Alpiniste polonais, Marcin Tomaszewski a grimpé les bigwalls les plus impressionnants de la planète, comme la Grande Tour de Trango. / A Polish climber, alpinist and climbing instructor, Marcin Tomaszewski climbs bigwalls around the world : Pakistan's Great Trango Tower among others. In 2017 Marcin opened free climbing bigwalls in Greenland with Wojtek Malawski, Konrad Ociepka.