A story about the importance of staying curious about the nature that surrounds us. It has so many secrets yet to reveal!

Many years ago, there was a man with an endless curiosity for the sky. He always looked at the nature around him and wanted others to see what he saw. But others were always too busy to listen to him. And so, he was influenced and stopped looking as well. Until...

A man always gazes at the sky, but everyone around him is always too busy to look up, and in the end, he too lowers his gaze to the ground like the others.

One night, while losing his way, he discovers a hole from which millions of birds emerge, flooding the sky and forcing him to look up again. And so, together with everyone who was too busy to stop...

In the eastern region of Mexico, Huasteca Potosina, there is truly a place called "El Sotano de las golondrinas" where every day at the same time, tens of thousands of birds come out and fly freely and then return.

For children and adults (crossover book)