 Complete the following phrase:  The Guatemala City General Cemetery was built in 1880, during general Justo Rufino Barrios presidency. Ruined by 1917-18 earthquakes, it never recovered its old splendor; originally it was exclusive for the elites and presidents, but gradually the eight Mayan hills that form it were invaded without any urban plan, like what happened with Guatemala City itself after the 1917-18 and 