SEOUL, SOUTH KOREA - OCTOBER 22, 2015: Korean commuters riding in underground train and entertaining themselves with smart phones
Asian people, Korean men with mobile phone, traveling on underground subway train. Seoul, South Korea, Asia
Young man and woman using mobile phone on subway train in Seoul, South Korea
THESSALONIKI, GREECE - AUGUST 7, 2015: In the evening on a busy road going cars and close-up seen checker of taxi. Greece is visited by more than 19 million tourists annually
Asian people, Korean youth with smartphone, mobile telephone, cell phone for email, social media and internet, traveling on underground subway train. Seoul, South Korea, Asia
HONG KONG, CHINA - NOVEMBER 7, 2015: On road of night city ride taxi with flaming checker, in the background seen walking people. China is visited by more than 60 million turists annually
Asian people relaxing with mobile phone near readers corner in underground subway station. Seoul, South Korea, Asia