By the 1980s, thanks to the broad avenues and new subway s tops built for the games, this had become one of the liveliest, trendiest, and demographically youngest quarters of the city.
In 1980, the city was completely destroyed because of numerous earthquakes.
mnli hypothesis: In 1980, the city was completely destroyed because of numerous earthquakes. premise: By the 1980s, thanks to the broad avenues and new subway s tops built for the games, this had become one of the liveliest, trendiest, and demographically youngest quarters of the city.