Students huddle together in the corridor, chatter filling the air on a break between classes at a school in Finland, where mobile phones have been banned since school resumed in August.

At Kungsvagens Skola for students aged 13 to 15 in Sipoo, northeast of Helsinki, teachers collect students' phones in the morning and lock them in a storage room until the end of the school day.

Originally published on doc.afp.com, part of the BLOX Digital Content Exchange.