 Figura 3: Peace One Day in Medellín.&amp;nbsp;Photo: Yojan Valencia. (From right to left: A l onso Salazar, Mayor of Medellín; John Jaime Sánchez,&amp;nbsp;Son Batá leader; JBalvín, recognised reggaeton singer; Musician from Crew Peligrosos of Comuna 4; Jeihhco, artist and cultural manager of Comuna 13; Juanes, Colombian singer; Mario, vocalist of the group Doctor Krápula; and Nene, from Son Batá)&amp;nbsp; 