Royalty free image: Friends camping on beach, Cabo Pulmo, California

Royalty free image: Sisters holding hands facing each other

Royalty free image: Students using computers in lecture

Royalty free image: A lecture

Royalty free image: Eiffel Tower, mid section, Paris, France

Royalty free image: Businesswoman using cellphone in light rail station

Royalty free image: Young man in streets of New York, US

Royalty free image: Dining table in gazebo of luxurious cedar wood home

Royalty free image: Construction workers measuring building

Royalty free image: White sandy beach, palm trees and blue sea, Fakarava, Tuamotu Archipelago, French Polynesia

Royalty free image: Hiker with baby crossing suspension bridge, Wanaka, Taranaki, New Zealand

Royalty free image: Young woman dancing on rural road, Exeter, California, USA

Royalty free image: Young couple lifting barbell in gym

Royalty free image: Winding valley road, Tehachapi, California, United States

Royalty free image: Teenage boy and mother sea kayaking, surface level view, Limnos, Khios, Greece

Royalty free image: Helicopter and pilots on ground in rural landscape, Cape Town, Western Cape, South Africa

Royalty free image: Father and baby looking out window of motorhome, Wanaka, Taranaki, New Zealand

Royalty free image: Young female canoeist looking out from riverbank, rear view, Yosemite Village, California, USA

Royalty free image: Shoal of fish, Revillagigedo Islands, Socorro, Baja California, Mexico

Royalty free image: Chef boiling lobster in kitchen

Royalty free image: Boxer wearing gumshield in gym

Royalty free image: Mid adult man struggling to make smartphone call while tucking his shirt in

Royalty free image: Father with baby exploring forest, Queenstown, Canterbury, New Zealand

Royalty free image: Woman picking up rubbish by field, Georgetown, Canada

Royalty free image: Barista placing cup of latte with heart shape on cafe counter, overhead close up of hand

Royalty free image: Young bride in wedding dress laying bouquet on lake pier, Stresa, Piemonte, Italy

Royalty free image: Young female surfer carrying surfboard on beach rock, full length portrait, Cape Town, Western Cape,

Royalty free image: Boxer training with punch bag in gym

Royalty free image: Mid adult man with tattoos combing hair at bathroom mirror, mirror image

Royalty free image: Hiker enjoying forest, Queenstown, Canterbury, New Zealand

Royalty free image: Couple relaxing on motorbike, Kennedy Meadows, California, US

Royalty free image: Young man squatting and lifting barbell in gym

Royalty free image: Climber bouldering in forest, Squamish, Canada

Royalty free image: Girl with baseball bat over her shoulder in rural field, rear view

Royalty free image: Mother and father drying baby daughter's hair in bathroom

Royalty free image: Mid adult man with tattooed chest on sofa using laptop

Royalty free image: Mother and baby by lake, Queenstown, Canterbury, New Zealand

Royalty free image: Senior male hiker taking a break lying on top of mountain, Valdez, Alaska, USA

Royalty free image: Exhausted young man taking break in gym

Royalty free image: Biker riding motorcycle on race track, Kaeng Krachan, Phetchaburi, Thailand

Royalty free image: Underwater view of girl snorkelling, looking at fish, Limnos, Khios, Greece

Royalty free image: Mother feeding baby daughter in child seat, portrait

Royalty free image: Baby exploring wilderness, Wanaka, Taranaki, New Zealand

Royalty free image: Young male cyclist cycling on rural road, Exeter, California, USA

Royalty free image: Young woman stretching arms in gym

Royalty free image: Chihuahua resting underneath blanket on couch

Royalty free image: Romantic young bride and groom face to face on lakeside

Royalty free image: Bearded mid adult man sitting on sofa in darkness looking up through virtual reality headset