Mbeya city.
A brand-new building had been completed in the city center. The three-story red-brick structure was scarcely inferior to the city government building, grand and imposing in appearance. Quite a few people had come for the ceremony today, including representatives from the central Ministry of Industry and many prominent figures from the Mbeya city government.
Amid firecrackers and thunderous applause, the completion ceremony came to a perfect close. Only then did the hundred-odd people present disperse and begin showing today's guests around.
Leading the way was Karls, the building's designer. He enthusiastically introduced his proud creation: "The entire building has more than a hundred rooms, over eighty of them classrooms. It can accommodate several thousand students at once."
As he spoke, he came to the wall of a classroom and knocked on it several times. "The bricks we used were all premium red bricks fired by Mbeya city's First Brick Kiln. The whole building is mainly reddish-brown on the outside. In the morning, if you stand at the school's front gate, you can see the spectacular sight of the sun rising over the red building. It is a feast for the eyes. This was an original design I came up with after personally measuring everything and carrying out extensive calculations."
"Mbeya city is near the equator. You have heard of the equator, haven't you?" Seeing the blank looks on everyone's faces, Karls realized he had asked a question into the void. After silently cursing their lack of knowledge, he continued, "Never mind the equator. I'll put it more simply."
"In Europe, North America, and countries such as the Far East, they are on the upper side of the Earth, while sunlight shines from south to north. You should all know that very well, so the regions where those places