A woman uses a bicycle pedal power generator which was installed by the IETT (Istanbul electric tramway and tunnel establishments) at the Tunnel railway station to charge her mobile phone in Istanbul, Turkey, July 05, 2018. (Photo/Agencies)
A man uses a bicycle pedal power generator which was installed by the IETT (Istanbul electric tramway and tunnel establishments) at the Tunnel railway station to charge his mobile phone in Istanbul, Turkey, July 05, 2018. (Photo/Agencies)
A woman uses a bicycle pedal power generator which was installed by the IETT (Istanbul electric tramway and tunnel establishments) at the Tunnel railway station to charge her mobile phone in Istanbul, Turkey, July 05, 2018. (Photo/Agencies)
