It seems you are looking for a , report , or academic article related to the phrase "Descarga Norte – Ultras Sur 2021" — which likely refers to an incident or conflict between two football ultra groups: Ultras Sur (Real Madrid) and Descarqa Norte (a possible misspelling of Desfacedores or another group, or a specific action called "Descarga Norte").
For the real-world of Real Madrid, 2021 was marked by efforts to maintain relevance while officially expelled from the stadium. descarga norte ultras sur 2021