Mario Utrilla Trinidad (Spain, 1971): Writer, university professor, doctor and traveller. Born in Madrid, where he lives, he usually travels its streets in search of places to enjoy the art, culture and life that permeate the city, photographing evocative corners that populate the capital of Spain. Awarded with several literary prizes, he has published five scientific books, a novel, three children's stories, two travel books and eighty articles. Veronica Ramirez Muro: Journalist. She lives between Madrid and Lima. She is the author of Secret Barcelona and Secret Madrid for Jonglez Publishing. She is also the author of Coca Express. She has written for various newspapers and magazines in Spain and Latin America. She is currently the producer of La Otra Ruta, a travel programme broadcast on social media and Peruvian TV.