Amir Khan uses Lahore as a gym and asks fans for training help in PepsiCo Sting ad

Olympic boxing champion Amir Khan has turned the city of Lahore into a training ground in the latest spot for PepsiCo-owned energy drink, Sting.
The ad aims to encourage fans to suggest challenges that will form the basis of the training that he will undertake ahead of his next fight.
The #StingChallenge campaign has been running for a few years and the latest video reinvigorates the challenge, using the media attention on Khan after he lost a fight to mexican Saul 'Canelo' Alvarez after jumping