Perched high in El Alto, the sprawling city that overlooks La Paz at over 4,000 meters above sea level, the Cholitas wrestling arena bursts to life twice a week in the afternoon. Inside the modest multi-purpose sports hall, rows of plastic chairs and cement bleachers fill quickly with locals and tourists, their cheers echoing off the corrugated roof. The air is thin and electric — a mix of popcorn, peanuts, and adrenaline.