MADRID, SPAIN-September 13: **NO SPAIN** Queen Letizia of Spain attends opening of the exhibition ?"Forty years of friendship. Donations from the Friends of the Prado Museum Foundation?. at Prado Museum on September 13, 2021 in Madrid, Spain. CAP/MPI/RJO ??RJO/MPI/Capital Pictures MADRID, SPAIN-September 13: **NO SPAIN** Queen Letizia of Spain attends opening of the exhibition ???Forty years of friendship. Donations from the Friends of the Prado Museum Foundation??? at Prado Museum on September 13, 2021 in Madrid, Spain. CAP/MPI/RJO ??RJO/MPI/Capital Pictures