It's the people who cared for and cultivated them, who valued them so much that they brought them here with them as a connection to their home, and it's the way that they've passed them on and shared them.
por la gente que las cultivó y las cuidó, que las valoraban tanto que las trajeron con ellos como una conexión con su hogar, y por cómo las han transmitido y compartido con otros.