The footage shows fires still burning more than 36 hours after the blast and heavy smoke continuing to rise from the site.
The blasts in the city of Tianjin on Wednesday night killed at least 50 people, including a dozen fire fighters, state media said. About 700 people were injured, 71 seriously.
The explosions at the port, the world's 10th largest, were so big they were seen by satellites in space and registered on earthquake sensors.
The warehouse was designed to store dangerous and toxic chemicals, according to an assessment by environmental inspectors published in 2014. It was storing mainly ammonium nitrate, potassium nitrate and calcium carbide at the time of the blasts, according to the police.
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