Publicity stunt in Tibet by apparel brand Arc'teryx and artist Cai Guo-qiang under investigation as critics slam possible damage to plateau.

Publicity stunt in Tibet by apparel brand Arc'teryx and artist Cai Guo-qiang under investigation as critics slam possible damage to plateau.

Apparel brand Arc’teryx apologises after publicity stunt with artist Cai Guo-qiang prompts probe amid criticism over environmental impact.