Maradona, a paper mache Pope Francis and Tango dancing. Caminito in the La Boca neighbourhood of Buenos Aires has got to be the only place on the planet – the galaxy, even – where you’ll find all of the above within a few feet from each other. Buenos Aires’s most colourful neighbourhood, it is by all means and purposes nothing but one big tourist trap. A very eccentric, interesting and colourful tourist trap, but a trap nonetheless. You’ve barely taken a step out of your taxi (or bus, because you just don’t walk to La Boca) when you’re being offered to wear somebody’s hat and take a photo for a small fee. I’m not sure what the hat is for, but if I wanted a picture with a hat I would have no objections in buying my own. Take a few steps forward and you’re being offered a once-in-a-lifetime opportunity to have your…