In my childhood my attention was drawn to the city of Cochabamba in the highlands of Bolivia through a book by Erich Wustmann [1]. Erich Wustmann (1907-1994) was a well-known ethnologist and wrote books worth reading about his travels, which in the GDR were so-called stumbling blocks (i.e. they were mostly sold under the counter). An exhibition about his … Continue reading New light rail system in Cochabamba, Bolivia