Many cities in Argentina have specific taxis which can be used to region-guess.
unfinished, I just published because it crashed last time...
Record of located taxis:
Buenos Aires
Salta
La Plata
Tucuman
Cordoba - (Green and Yellow)
Rosario
Mendoza
San Juan
San Salvador de Jujuy
Santiago Del Estero
Play Argentinian Taxis · All community maps · WorldGuessr, a free GeoGuessr alternative