For anyone who has wondered about the strange symbols that mark the subway stops in Mexico City, the answers are finally revealed… I only figured out pyramid symbol at the Pino Suárez station, and the observatory symbol at the Observatorio staton.

Here’s the article from Citylab:

http://www.citylab.com/design/2016/04/deciphering-mexico-citys-metro-icons/479796/?utm_source=SFFB