A motorcyclist talks on her phone as she watches racing on a highway in Kuala Lumpur, Malaysia, September 7, 2014. Crowds of small motorbikes ridden by racers - or "Mat Rempit", as they are known in Malaysian slang - face off in impromptu races in the Malaysian capital after dark. The decades-old culture is widely frowned upon by largely conservative Malaysians, who fear its potential to encourage gambling, drug abuse, snatch thefts and sexual promiscuity. REUTERS/Olivia Harris SEARCH "MAT REMPIT" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES