In 2017, security-related construction tripled in Xinjiang. According to Charles Rollet, "the projects [in China] include not only security cameras but also video analytics hubs, intelligent monitoring systems, big data centers, police checkpoints, and even drones,"[173] with drone manufacturer DJI having provided surveillance drones to local police since 2017 as well.[174][175] The Ministry of Public Security has invested billions of dollars into two main government plans: the Skynet project (天网工程) and the Sharp Eyes project (雪亮工程).[173] These two projects combined are reaching to oversee China's population by the year 2020 through video camera facial recognition.