Cristina explains to us how the gerund tense is formed in Spanish and shares some rules that we should keep in mind to use it properly. Let's listen to her explanation and see some examples.

We continue with more music and reflections on Mexican emigration to the United States. In this part, El Haragán and Meme del Real join Los Tucanes de Tijuana to repeat the final message of the song: "So far from God and so close to the United States".

Do you know the universal distress signal? Discover what it's about and how to use it so that others can understand you without words and help you.

Get ready for one of the most vibrant moments of this documentary. With a musical fusion of cumbia, rap and norteño, the artists Ali Gua Gua, Pato Machete and Los Tucanes de Tijuana tell us about the perception that illegal immigration encompasses.

When the brother and sister decide to call Diego, they encounter a big surprise.

Sofía and her brother discover a message that seems quite important. Let's see what it's about.

In this monologue, Pipo finds himself waiting for a soccer match to begin and strikes up a conversation with another fan sitting next to him.

Víctor interviews Francesc Manel Ventura, a proud Catalan domino enthusiast. Let's listen to what he tells us.

With this video begins a series of reflections and melodies dedicated to one of the most important themes discussed in the documentary. Listen carefully to the words of the introduction, the testimony of one of the protagonists and the nostalgic melody at the end.

In addition to finding photos and recipes in the little box, the brother and sister discover another quite important object.

After some interesting reflections on the way we approach our daily life, artist Adanowsky goes into the Mexico City subway to perform one of the most memorable songs from this documentary. Enjoy it!

Thanks to the call she makes, Sofía manages to obtain a name and phone number of the possible owner of the little box.

Sofía makes a call to report about the little box that she and her brother found in the apartment.

With the background sound of the song "Caminante del Mayab" performed by the trio Los Tres Yucatecos, this part of the documentary offers brief reflections on the concept of freedom.

The brother and sister decide to see what's in the little box. What will they find in it?