Extra+material

Have you found anything interesting to share? Add the content or the link here for your teacher and the rest of the class to see it. You can upload what you consider to be useful, related to the topics of the different lessons and which your classmates can resort to if they need this information. Remember that everyone should profit from this extra material and that you ought to be very careful about the content. Finally, don't be afraid of trying to explain why you think the material is important or related to the themes. Let's share!