Links
[1] https://www.metrodebogota.gov.co/sites/default/files/Todo-el-sistema01-08-2022.jpg
[2] http://preproduccion.metrodebogota.gov.co/?q=content/sistema-metro/primera-linea-del-metro-bogota
[3] http://preproduccion.metrodebogota.gov.co/?q=content/sistema-metro/linea-2-del-metro-bogota
[4] https://metrodebogota.gov.co/?q=content/sistema-metro/extension-plmb-calle-100/estudios/1