Mexico's 'capital of pyrotechnics' has experienced at least 8 fireworks explosions in the past 20 years businessinsider.de, 21 Dezember 2016, retrieved 14 March 2017.
Mexico's 'capital of pyrotechnics' has experienced at least 8 fireworks explosions in the past 20 years businessinsider.de, 21. Dezember 2016, abgerufen 14. März 2017.