Maryla García Santos (Periódico 26) writes about the prominent writer (from Las Tunas, Cuba) Carlos Esquivel Guerra, who won the 2023 Italo Calvino Prize [Premio de la Novela Ítalo Calvino] for his novel La tumba del erizo [The Hedgehog's Grave]. He was presented the award on October 13, 2023, at the national headquarters of the Union of…