I was in Pedro Juan Caballero, a town in northern Paraguay hugging the border with Brazil. Reporting for the Affairs section of Monocle magazine, I filed a story about the drugs problem in the department of Amambay and in particular the production of marijuana, most of which feeds the Brazilian and Argentine markets. I spoke to journalist, politicians and residents, alongside Senad, the national anti-drugs unit whose job is to eradicate clandestine crops growing deep within jungle areas. Sketchiest moment? When photographer André Vieira (see some of his beautiful photos below) was shooting a “narco” palacio in town, men started circling us on mopeds. Each one had one hand on the handlebar and the other in their pocket – apparently a warning that they were armed. See ‘Writing’ section of my website for full article.