CEO of Google Inc. Sundar Pichai delivers a welcoming speech to participants of the 2017 Technovation World Pitch Summit at a facility of Google Inc. in Mountain View, the United States, on Aug. 10, 2017. 12 teams of girls from nine countries and regions on Thursday joined the final stage of the 2017 Technovation World Pitch Summit, presenting their mobile applications. (Xinhua/Xu Yong)
