Three friends, standing in street, looking at smartphone, Lisbon, Portugal

Three friends outdoors, fooling around, laughing, Lisbon, Portugal

Three friends, outdoors, taking selfie with smartphone, Lisbon, Portugal

Three friends sitting outdoors, taking selfie with smartphone, Lisbon, Portugal

Three friends, on train, looking out of window at view, Lisbon, Portugal

Three young adults standing in street, looking at their own smartphones, Lisbon, Portugal

Young couple, walking outdoors, smiling, Lisbon, Portugal

Two female friends, sitting together, outdoors, Lisbon, Portugal

Three friends, outdoors, taking selfie with smartphone, Monument to the Discoveries in background, Lisbon, Portugal

Three friends walking along beach

Couple Walking Along Suburban Street Together

Young university friends walking on street

Portrait Of Teenage Group Walking Along Street

Friends walking along canal, East London, UK

Friends walking on city street at night

Happy male and female friends walking on city street

"Two young female friends strolling along street, Como, Italy"

Group of friends (14-15) walking on street and laughing

Six young adult friends chatting whilst strolling along city street

Four young adult friends strolling arm in arm along city street

Friends walking in street, Milan, Italy

Three women shopping together

Women walking with purses and shopping bags

Front view of women reading map and buildings in background

Three friends walking along street, Lisbon, Portugal