Sophia wears a white ao dai (Vietnam's traditional dress) while addressing the Industry 4.0 Summit. Photo by Dtinews.vn

She answers the audience's questions on sustainable development and the potential of applying artificial intelligence in production. Photo by Dtinews.vn

Sophia is the first non-human Innovation Champion for UNDP in Asia and the Pacific. Photo by Laodong

PM Nguyen Xuan Phuc visits the summit. The Industry 4.0 Summit and Exhibition 2018, themed 'Vision and Development Strategy in the Fourth Industrial Revolution', attracts Government officials and nearly 1,800 representatives from localities, domestic and foreign experts, businesses and embassies. Photo by VNN

Prime Minister Nguyen Xuan Phuc (fifth from left) and other leaders cut ribbon to open Industry 4.0 Summit and Exhibition 2018 on July 13. Photo by VNN