"Keep it in low gear," I whispered to myself, knuckles white on the wheel. "Easy on the brakes."

I’d survived the Yungas. Tomorrow, I’d be heading for the frozen lakes of the . From the heat of the Andes to the cracking ice of the Arctic—it’s a long way to go for a paycheck, but in this business, the extreme is the only way to live.

With the precision of a surgeon, I feathered the clutch. The truck groaned, sliding inches toward the ledge before the tires bit. Slowly, agonizingly, I backed up until the bus could squeeze past, the driver giving me a somber nod of respect.

Should we keep this driver's journey going toward the or head straight for the Ice Roads ?

The engine of my overloaded Kenworth roared, a guttural protest against the thin air of the . They call it "El Camino de la Muerte"—the Road of Death—and as the tires gripped the crumbling edge of a thousand-foot drop, I realized the name wasn't just marketing.

The rain started as a mist and turned into a deluge within minutes, transforming the dirt track into a red, slick slurry. My wipers slapped back and forth, barely keeping up with the mud. Every time I hit a hairpin turn, the trailer would swing wide, its back wheels kicking stones into the abyss. I could hear them falling, but I never heard them land.

Hours later, the narrow ledge widened into a gravel lot. As I unchained the load under the flickering lights of the mine, the adrenaline finally began to ebb. I stepped out of the cab, my legs shaking, and looked back at the mountain shrouded in clouds.

I wasn’t hauling frozen peas or electronics today. I had twenty tons of construction equipment strapped to a flatbed, destined for a remote mining site in the Bolivian Andes. One side of the truck scraped against the jagged rock face; the other hovered over nothingness.