super giant photo

How is the process of capturing billions of Pixel photos?
in order to make a collage with a resolution of up to 1 billion pixels, not only expensive equipment but photographers have to spend a lot of time shooting and post-production.
Super giant photo taking a panoramic view of Shanghai city, the highest resolution in Asia, zooming in the face of pedestrians
the super giant photo takes a panoramic view of shanghai city to delight viewers. if you zoom well and have time, you can visit this city and maybe find some interesting things.