Climbing "Marmolata SO" (7+) in "Sandyplatte" is a serious undertaking that demands significant experience, physical fitness, and mental fortitude. The "Marmolata SO", referring to the south-east face of the Marmolata, is notorious for its challenging routes, demanding both technical climbing skills and the ability to manage exposure at high altitude. The 'Sandyplatte' section, likely referring to a sandy or crumbly section of the rock face, adds another layer of difficulty, requiring careful route finding and precise footwork to avoid loose holds and potentially dangerous falls. Grade 7+ in the UIAA scale signifies a route with sustained difficult moves, often involving small holds, steep sections, and intricate sequences. Successful ascent requires not only the technical ability to climb at this grade, but also efficient rope management, solid belaying skills, and the experience to handle variable mountain conditions. Be sure to check weather forecasts, local conditions reports, and equip appropriately for the Alpine environment. Consider hiring a guide if you lack experience in similar terrain or mountain climbing. Safety is paramount.