I left Uyuni in the morning with about 10cm of snow on the ground. The bus climbed up into the mountains towards Potosi and we were briefly stuck behind a line of vehicles while the road ahead was shoveled out to give them enough traction to get over the pass.

My pack got soaked on top of the bus so half my clothes were wet inside. It was cold and rainy in Potosi so by the end of the day of exploring I was thoroughly wet as well. Fortunately, my hostel had fantastic hot showers and good warm beds, so by the morning I was ready to visit the famous silver mines that made this city the richest in Latin America at one time.
The first stop was the miner's market where we bought coca leaves, drinks, and dynamite (and nitroglycerine pellets) to give to the miners.

Then we got kitted out in boots, overclothes, helmets and lamps and headed into the mine. The first 100m of the entrance tunnel had a carefully built arched roof, a legacy from the first spanish explorations here in the 16th century.

The rest of the mine was a rats-nest of tunnels and shafts, supported in parts by ancient (partially collapsed) beams and girders. At times we were walking fully doubled over under low ceilings, through muddy puddles following submerged rails that 1-ton wagons of ore would come rushing along at random intervals forcing us to leap to the side to keep clear.
We saw one electic winch in the mine. Everything else was manual labor. Holes for dynamite are chiseled into the rock and then ore is shoveled into wagons that are pushed and pulled by four miners to the mine entrance for processing. Sometimes the ore must first be lifted up vertical shafts using huge leather bags and a winch. The mine is a co-operative but the days are long and the work is relentless. Kids start working in the mines around age 14.


After we left the mine, our guide showed us how to blow up a stick of dynamite. First you put the fuse in the dynamite and then the stick of dynamite in the nitroglycerin pellets.

Then you bury the whole lot in some mud (after removing any obvious stones), light the fuse and run like hell up the hill where you crouch trying to catch your breath (we're still at 4000m here) while you wonder if 30m is really far enough away.

Then there is an almighty bang that scares the crap out of you and the tension release makes you laugh like a little kid. I have a video of it, but it doesn't come close to doing it justice.
Now I am waiting to go to Argentina. The road is being blockaded for reasons that are not terribly clear to me right now, but hopefully I'll be on my way soon.