Korona 2 tower 3B (V. Akmayov, 2011) R0–R1. Snow slope 100 m. 40° II R1–R2. Ice slope 100 m. 45° III R2–R3. Ice gully 150 m. 50° IV R3–R4. Snow slope 500 m. 30° II R4–R5. Snow-ice slope 600 m. 45° III
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