After Ice Storm's reminder, Meng Chao remembered that Dragon City actually had a similar existence.
Back when Dragon City traveled from Earth to the Other World and struggled through the chaos of the first few years, the survival instincts of a civilization had prompted the citizens to despair in the face of floods, earthquakes, viruses, lack of supplies, and the invasion of zombies. Nevertheless, they still gathered themselves, persevered, and nurtured a brand new hope.
However, when the new generation of Earthlings, who had been completely nurtured in the Other World, went through ten months of pregnancy and were born, the odds of congenital anomalies and stillbirths were ten times higher than they had been during the Earth era.
Among the many congenital anomalies, the most common one was a huge head that came with an elongated skull. It was quite similar to the Big-headed Monster Baby, an urban legend from Earth.