On the road between Uyuni and Potosi, this small mine town looks like the other mine cities of the country; hardly reflecting what they were. At the glorious period of silver and tin, the city was important. Today, only a part of the mine is working but a small museum of the regional mines has been edified and it is also possible to visit some mines thanks to a tunnel we cross during about 40 minutes. Also, it is an important city because it is where the famous “thesis of Pulacayo” has been signed, between miners, syndicalist, and revolutionary movements, in 1952. Furthermore, a train cemetery is available to visit; indeed, it was in Pulacayo that the first locomotive of Bolivia started to work! Due to its important mineral exploitation, transport rapidly became a priority and the advanced technology this locomotive represented at that period was a real revolution in the world of mineral extraction. For the history, it was a locomotive Butch Cassidy and Sundance Kid attacked (see particularities of Bolivia), attracted by richness it was transporting. Today, in the locomotive’s cemetery, this is the same locomotive we can touch….