Typhoon Mangkhut is one of the most powerful storms to hit the region in decades. It made landfall on the Chinese coast near Jiangmen city on Sunday afternoon.
It is now weakening as it makes its way across southern China and has been downgraded to a tropical storm.
More than 2.5 million people have been evacuated in Guangdong and on Hainan island.
People caught outside as the worst of the storm approached were overwhelmed by conditions
In Hong Kong, which was hit hard over the weekend, videos on social media showed apartments swaying in the wind, scaffolding crashing to the ground and commercial buildings with windows shattered.
Transport services were suspended, with flights cancelled, trains stopped, and major roads closed.
Officials put the number of injured at more than 200.
The city managed to avoid serious casualties but now faces a difficult recovery as thousands remain affected by flooding and travel disruptions.
