Climbing "Kette" (grade 8+) in "Sektor Biotope" is a truly demanding and rewarding experience. This route is a classic test piece, known for its intricate sequences and powerful moves. It often starts with delicate footwork and technical moves, leading into a sustained section of small crimps and dynamic reaches. The crux, typically located higher up, demands excellent body tension, precise technique, and significant endurance. Successfully sending "Kette" is a notable achievement for climbers operating at this level, offering not only a physical challenge but also breathtaking exposure and views from the upper part of the wall. It's a must-do for anyone visiting Sektor Biotope looking for a significant and memorable challenge.