Delivery robots and an unmanned vehicle are displayed on the Sejong Campus of Korea University in Sejong City, South Korea, Oct. 28, 2020. The South Korean Ministry of Science and ICT and Korea Post held an event to demonstrate the unmanned postal and mail delivery service using automatic robots and unmanned vehicles on Wednesday on the campus. (Xinhua/Wang Jingqiang)
A delivery robot is displayed on the Sejong Campus of Korea University in Sejong City, South Korea, Oct. 28, 2020. The South Korean Ministry of Science and ICT and Korea Post held an event to demonstrate the unmanned postal and mail delivery service using automatic robots and unmanned vehicles on Wednesday on the campus. (Xinhua/Wang Jingqiang)
Staff members display how a delivery robot works on the Sejong Campus of Korea University in Sejong City, South Korea, Oct. 28, 2020. The South Korean Ministry of Science and ICT and Korea Post held an event to demonstrate the unmanned postal and mail delivery service using automatic robots and unmanned vehicles on Wednesday on the campus. (Xinhua/Wang Jingqiang)
An unmanned postal service vehicle moves on the Sejong Campus of Korea University in Sejong City, South Korea, Oct. 28, 2020. The South Korean Ministry of Science and ICT and Korea Post held an event to demonstrate the unmanned postal and mail delivery service using automatic robots and unmanned vehicles on Wednesday on the campus. (Xinhua/Wang Jingqiang)
A delivery robot is displayed on the Sejong Campus of Korea University in Sejong City, South Korea, Oct. 28, 2020. The South Korean Ministry of Science and ICT and Korea Post held an event to demonstrate the unmanned postal and mail delivery service using automatic robots and unmanned vehicles on Wednesday on the campus. (Xinhua/Wang Jingqiang)
A delivery robot is displayed on the Sejong Campus of Korea University in Sejong City, South Korea, Oct. 28, 2020. The South Korean Ministry of Science and ICT and Korea Post held an event to demonstrate the unmanned postal and mail delivery service using automatic robots and unmanned vehicles on Wednesday on the campus. (Xinhua/Wang Jingqiang)
A dilvery robot leaves after finishing delivering according to pre-programmed procedures on the Sejong Campus of Korea University in Sejong City, South Korea, Oct. 28, 2020. The South Korean Ministry of Science and ICT and Korea Post held an event to demonstrate the unmanned postal and mail delivery service using automatic robots and unmanned vehicles on Wednesday on the campus. (Xinhua/Wang Jingqiang)
A staff member displays how a delivery robot works on the Sejong Campus of Korea University in Sejong City, South Korea, Oct. 28, 2020. The South Korean Ministry of Science and ICT and Korea Post held an event to demonstrate the unmanned postal and mail delivery service using automatic robots and unmanned vehicles on Wednesday on the campus. (Xinhua/Wang Jingqiang)