A boy scans a 3D printing model to experience industrial internet applications during the expo in Wuxi, East China's Jiangsu province, on Sept 7, 2019. [Photo/VCG]

The 2019 World Internet of Things Expo opened in Wuxi, East China's Jiangsu province, on Sept 7, showing the latest IoT applications in such areas as urban planning, health, and education.

Focusing on integrated innovation and intelligent connectivity, this year's event consists of a summit and 10 other industry forums, and has an exhibition area of 60,000 square meters, the largest in the past decade. A total of 542 companies from 30 countries and regions - 37 of them Fortune 500 companies - are attending the expo.

Here are some of the highlights.