It's called "Exploring Barranco, Lima’s Art District," and it's nicely illustrated with photos of the art.
https://isastudentblog.wordpress.com/2017/09/27/exploring-barranco-limas-art-district/
Update: Tasha has added two more blogs.
"The Valley of Wonders: A Weekend in Arequipa"
https://isastudentblog.wordpress.com/2017/11/07/the-valley-of-wonders-a-weekend-in-arequipa/
"Peru in the World Cup: When Soccer is More Than Just a Game"