VIZ: How Airbnb invaded Lisbon (book "Lisboa e a Airbnb", June 2019)

Low-res screenshot of the image in the story in Expresso
This visualisation is also useful because it's a very graphic way of showing the increase in the number and the spread of short-term rentals across a city.
Getting data from Inside Airbnb, it should be easy to replicate in other cities.
Animating it as a GIF instead than presenting it as a series of static images is another possibility.
Publishing a series of visualisations of several cities covering the same years is another possibility.