An illusory black light screen enveloped the stadium, instantly transforming it into a boundless night. This was the latest light and shadow technology.
A layer of light was projected, completely blocking out the sunlight, making the covered area as dark as dusk even in broad daylight.
Then, countless fireworks exploded in the sky.
"Wow, that's beautiful." Stunned, Tongtong quickly taking a picture with her communicator.
"What a pity, why do they have to control fireworks, we can't buy them even if we want to." Da Vinci also excitedly watched the continuous explosion of fireworks.
In this era, they had adapted too much to environmental protection, coal and petroleum had been out of the market for hundreds of years.
At that time, the Earth was riddled with holes, and human society spent centuries revamping the planet's environment, but too many species had already become extinct.
