Explore the ancient caves of Hang Son Doong, Vietnam. Hang Son Doong is one of the largest caves in the world and features a fast-flowing underground river. For spelunkers, exploring Hang Son Doong is the equivalent of scaling Mount Everest.
Running is amazing. It allows you to get a stress-reducing, endurance-boosting workout with just a pair of shoes and an open road. It also burns calories, of course. At a per mile pace, you’ll fry about 10 calories a minute. That’s a solid numbe