The August 12 blasts occurred at a warehouse, where more than 700 tons of highly toxic substances, mainly sodium cyanide, were being stored.
At least 114 people were killed as a result of the explosions, and 69 people are reported missing.
The explosions affected a huge swath of the city: 17,000 homes damaged, more than 170 companies affected and 3,000 cars destroyed.
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