the.com/boulder
a rock that committed so hard to being a rock it earned a name
size ruleMust exceed 256 millimeters to qualify as a boulder
erratic kindGlaciers haul some hundreds of miles, then ditch them
balanced onesSome perch for millennia on impossibly tiny contact points
climbing sportBouldering needs no ropes, just chalk and audacity
slow travelersDeath Valley rocks slide across mud, leaving trails