The image is a digital poster for the 2018 Astronomía 2018 event. The poster is displayed on a black wall in a subway station. The background of the poster is blue with white text that reads "Sueño reparador" which translates to "Astronomy 2018" in English. Below the text, there is an illustration of a futuristic cityscape with a bridge and a spaceship in the foreground. The cityscape is made up of lines and dots, representing the interconnectedness of the universe.

The poster also includes information about the event, including the date, time, and location of the event. On the right side of the image, there are two logos, one for Metro and the other for the city of Santiago, Chile. The Metro logo is a red circle with the word "Metro" written in white letters. The website "www.metro.com" is written in smaller white letters below the logo.