People riding mountain bikes

adventure back lit bicycle bike riding caucasian color image day desert environment exercise fitness following friend full length horizontal journey landscape leading lifestyle low angle view low section man mid adult motion nature off road only men outdoors people photography recreation remote silhouette sports sun transportation travel two people young young adult 30's adventuresome back lit bicycling bike color colour cycle daytime entertainment exercising follow friendship full body health lead lifestyles low angle lower body male movement natural outside person riding sand sport sunshine trailing transporting traveling travelling trip twenty two western european youth