Top secret of course, as those things tend to be when done for viewing at a later date.
In Europe or North America, the question might be moot.
This is a pleasant spot for visitors and even more so for people who want to learn more about the vegetation of the desert in the area.
In the vicinity of Santiago, approximately 8 km to the south, are the hot springs, which are ideal for the enjoyment of tourists.
Guests can watch a film, enjoy art exhibitions, explore over a mile of walking trails through the 9-acre gardens, which are free to see.
If that is what people want, give it to them.