Climbing "Projekt" in the Hintere Arena (left to right) is a significant accomplishment. This route, typically graded around 8/8+, represents a serious test of skill, strength, and mental fortitude. The 'Hintere Arena', likely referring to a particular crag or section with that name, adds context to the climb. Ascending it 'left to right' might indicate a traversing or sustained sequence across the wall. Successfully sending "Projekt" implies mastery of technical crimping, powerful moves, and a high degree of route reading ability. It's a climb that demands dedication, precise execution, and often, multiple attempts before success.