Links
[1] https://www.metrodebogota.gov.co/que-es-metro
[2] https://www.metrodebogota.gov.co/estaciones
[3] https://www.metrodebogota.gov.co/informacion-plmb
[4] https://www.metrodebogota.gov.co/como-trasformara-la-ciudad
[5] https://www.metrodebogota.gov.co/content/avance-obras-concesionario/pmt
[6] https://www.metrodebogota.gov.co/content/avance-obras-concesionario
[7] https://www.metrodebogota.gov.co/content/sistema-metro/primera-linea-del-metro-bogota/micrositio-ambiental