Man practising Tai-Chi on esplanade of Kursaal Congress Centre and Auditorium by Spanish architect Rafael Moneo, San Sebastian, Bay of Biscay, province of Gipuzkoa, Basque Country, Spain, Europe

Adult literacy class in Mitro, Benin, West Africa, Africa

Adult literacy class in Mitro, Benin, West Africa, Africa

Woman practising yoga poses among sandstone rock formation in the desert canyons of the Ashar Valley, Medina Province, Saudi Arabia

Adult literacy class in Mitro, Benin, West Africa, Africa

An attractive middle-aged woman wearing active wear and listening to music while pausing to do some stretch exercises during a run in a city park at sunset on a warm autumn evening, Edmonton, Alberta, Canada

An attractive middle-aged woman wearing active wear and listening to music while pausing to do some stretch exercises during a run in a city park at sunset on a warm autumn evening, Edmonton, Alberta, Canada

A paraplegic woman and her trainer give a high five after a successful workout in a recreational facility: Sherwood Park, Alberta, Canada

A paraplegic woman and her trainer show off their muscles while posing for the camera in a hallway in a recreational facility: Sherwood Park, Alberta, Canada

A mature woman praying, after doing some personal Bible study, in a coffee shop : Edmonton, Alberta, Canada

A physiotherapist assisting a paraplegic women who is doing pull-ups to increase her upper body strength, in a fitness facility: Sherwood Park, Alberta, Canada

A mature Christian woman studying her bible in a coffee shop and doing some extra research on her smart phone: Edmonton, Alberta, Canada

Close-up of a young girl reading the Bible, Lincoln, Nebraska, United States of America

A young man sits reading in a hammock between two trees at the water's edge at sunset with a bicycle leaning against the tree and buildings across the water