China's annual national college entrance examination, commonly known as the Gaokao, starts today. More than 10.7 million students have signed up to participate in this year's Gaokao, which was delayed by one month due to the COVID-19 pandemic. Since the Gaokao is deemed one of the most important exams, policemen, volunteers, and even the whole society are fully mobilized to ensure smooth traffic and sound security. Are examinees fully prepared? How to ensure their health and safety amid COVID-19? Join CMG reporters on a visit to different examination sites and witness the last preparation for this year's Gaokao.