By Laura Forsyth In recent years, the ascent of climbing as a popular sport has been reaching new heights. According to the Association of British Climbing Walls, 1 million people take on the challenge of indoor climbing each year, with a dedicated 100,000 enthusiasts scaling the walls at least twice a month. Surprisingly, over 75 per cent of climbers prefer the controlled environment of indoor facilities, hinting at the evolving landscape of this sport. London Climbing Centres (LCC) is at the heart of this revolution. From the solitary Vauxhall-based centre which kick-started this trend in Ma…