The Administrative Board of the Christian Archaeological Society appeals to the country's prime minister and demand action to resolve the important issue of the Thessaloniki Metro, in order to help preserve the unique archaeological discovery, namely the Tetrapylon and the city's central streets, i.e. the Mese (decumanus maximus) and the intersecting cardo, which led to the port of the second city of the Byzantine empire, Thessaloniki, in situ as an accessible archaeological site, in harmony with the transportation needs of the city.