A visitor tries an exhibit at the 2019 China Cybersecurity Week expo as part of a week-long national awareness campaign on cybersecurity in north China's Tianjin, Sept. 16, 2019. First launched in 2014, the week-long campaign is an annual event that promotes national awareness on cybersecurity. Activities including the cybersecurity expo and a technology forum is held during this year's event. (Xinhua/Li Ran)