In pics: Polar Bear Pitching semifinals in Oulu, Finland

Mika Vauhkala from Nitomani School competes during Polar Bear Pitching semifinals held in Oulu, northern Finland on Feb. 6, 2018. In Polar Bear Pitching event, start-up companies get to pitch and promote as long as they can stand the freezing water, while they are being filmed and broadcast.(Xinhua/Matti Matikainen)