The 2020 Consumer Electronics Show (CES), known as the world's biggest tech event, is well underway in Las Vegas. More than 4,500 exhibitors launch nearly 20,000 latest tech products, compassing artificial intelligence, 5G connectivity, smart cities and more. Some giant technology companies, including Google, Samsung, Amazon and Apple, will also make appearances in this tech extravaganza. Join CGTN for a high tech tour inside of the venue.