Igloos of varying sizes can be built depending on the number of people, but to maintain stability, the maximum diameter generally doesn't exceed seven or eight meters.
Just for practice, the igloo Jiang Si and the others were building was only two meters in diameter, with enough living space for two people.
With everyone working together, the ice blocks were gradually sealed completely from the inside.
Jiang Si went inside and could see the sunlight through the cracks.
These cracks would let in a cold draft. The next step was to fill them with snow. This would prevent leaks and also act as an adhesive, making the structure more solid.
They packed one layer of snow after another onto the igloo until it formed a perfect dome.
The more they looked at it, the happier everyone became. If this were on land, it would be as if they had built a home with their own two hands.
