Side view of a spinning class on exercise bikes at a gym, close up

indoors four people man women adults young adults 40s 30s 20s millennials middle aged caucasian asian ethnicity mixed race person multi ethnic group diversity incidental people gym work out health fitness strength active lifestyle sport sports training hobbies working out spinning exercising spinning class improvement challenge determination leisure activity free time smiling enjoying confident effort cycling leaning looking away exercise bike gym equipment sports clothing side view in a row selective focus close up lockdown