A ballad about an ordinary trip on the subway, daily life in a city and an individual confrontation with urban space and non-places, that for different reasons convert into points on a map of a personal universe. Underground transitory character reflected with simplest means recalls a sense of a liquid nature of these sites and bring forward transitions within interior and exterior borders. Inspired by locations with art projects in Barcelona subway, stations like Ciutat Meridiana, Llefià , El Carmel, Roquetes, Trinitat Nova, Diagonal, Casa de l ´Aigua, and life in transit.