There are so many beautiful places in this world, which I am sure you have not seen yet, and you are going to a country where the government has been oppressing its citizens for more than 60 years? You are only contributing to maintaining the status quo. Let us know how much freedom you saw when you come back.

I walked all over Lima with a local guide and my wife, carrying a Nikon D750 with a wide angle lens and a D500 with the 70-200 lens strapped to my chest and never felt threatened by anyone at any time. I've done the same all over the world except in Bogota, Colombia, and so far so good. Bring your camera, you'll regret not having it when the opportunity is there.