A Different Way of Getting Around a Hill

"i just hought it was an interesting pease from the standpoint of reserving brain power to think about looking forward, instead of m trying t these roots," says San Francisco resident. "I have actually figured out how to go around a hill, because, you know, that's how you stay on the flat and arrow", he adds. 'We like to kind of walk near things that are, that are on the side so that we can feel like were,. you know, we can see everything in front of us'