1996年11月21日,波多黎各圣胡安市的街头人潮涌动,由于临近圣诞节,购物者随处可见。突然,维达大厦传出一声爆炸,响彻天空。放眼望云,街道上人仰马翻,一片狼藉。由于维达大厦坐落在繁华街区,因此这场爆炸带来的后果极期参重——80多人受伤,33人死亡。圣胡安市是地球上人口最为密集的岛屿城市之一,这场爆炸震惊了全世界,也由此为城市基础设施改造带来了一系列改革 On November 21, 1996, the crowds of people in San Juan, Puerto Rico surged and, as Christmas is approaching, shoppers are everywhere. Suddenly, Vidal Tower came an explosion, resounded through the sky. Looking at the clouds, people on the streets upside down, a mess. As Vinda House is located in a bustling neighborhood, the consequences of the explosion have been extremely heavy - more than 80 were wounded and 33 were killed. San Juan, one of the most densely populated island cities on Earth, has shocked the world and brought a series of reforms to urban infrastructure