Tesla shanghai gigafactory Top architecture installation and roof paving

Hello everyone This time I went to the Tesla Shanghai site, and there was no big change in the outside observation and last time. The first phase of the project is still at the top of the installation and laying. Most of the construction workers are busy on the roof of the steel frame, there are roofing panels, welded steel bars, and roof steel structural brackets. We can see that the workers have taken good safety measures. A publicity card on safety production was also erected inside, and the first phase