Advertisement00:49Security video shows a four-year-old Chinese boy struggled to survive before he drowned in a pool at a spaPublished: 12:15pm, 6 Jan 2017Updated: 12:42pm, 6 Jan 2017AdvertisementAdvertisementSelect VoiceSelect Speed0.8x0.9x1.0x1.1x1.2x1.5x1.75x00:0000:001.00x