The 'topo chico story' might involve its journey in the market. It could be about how it became popular not just in its home country but also globally. For instance, it might have been discovered by some travelers who then spread the word about its great taste and refreshing quality. And then, it started to be stocked in more and more stores around the world, becoming a well - known brand of sparkling water.
I don't have enough information to say for sure. It could be fiction, or it could have roots in reality that have been adapted or exaggerated for a particular purpose.
The specialness might also come from the people who tell and pass on these stories. If they are part of a local oral tradition, then they carry the cultural and emotional weight of the community. The stories could be a way for the people of Chico to connect with their past and with each other. For example, families might share these stories around the fireplace during cold winter nights, creating a sense of togetherness and shared heritage.