A Cidade Perdida

Interesting topic, some canned characters, the plot continues to move which I prefer, places I've not been to which I like. Reminds me a bit of [b:The Da Vinci Code 968 The Da Vinci Code (Robert Langdon, #2) Dan Brown https://i.gr-assets.com/images/S/compressed.photo.goodreads.com/books/1579621267l/968.SY75.jpg 2982101] with the hidden clues, niche knowledge, and hidden groups.