Main idea about Modernist architecture in Barcelona reveals a new trace fossil

throughout-these-weeks-we-were-working-with-an-article-that-works-on-fossils-and-the-intervention-they-have-when-integrating-with-building-materials-so-in-this-podcast-i-talk-about-the-general-idea-of-this-article-and-i-also-mention-what-i-understood-with-my-own-words