Moving your workout outside can be a simple way to magnify its benefits, not only for thinking, but health, happiness, fitness, and motivation
10 reasons why outdoor training is better than a gym workout
Why exercising outdoors may be better than indoor workouts: study
Working Out at the Gym vs. Outdoors - Fitness Project
Indoor vs outdoor workout: which is more effective?
Outdoor Exercising vs. Home Workout vs. Gym
How to Motivate Yourself to Exercise Outside - How to Work Out Outside
Green Fitness: How Outdoor Exercise Can Benefit You & the Planet
HOW ARE OUTDOOR ACTIVITIES BETTER FOR MIND AND BODY THAN THE GYM
PT Institute - Do you prefer to exercise outside or inside