The people of Huaxia and other ethnic groups have three distinct physical characteristics: one is the "shovel" incisor (less than 8% of white people have this incisor); the other is when the baby is born The skeletal part has blue spots; the third is the skin folds inside the eye, also called "Mongolian folds". From this we know:. ['No Arabs have "shovel" incisors.', 'Babies with blue spots at birth are Chinese.', 'People with "shovel" incisors are of Chinese descent.', 'Mongolians have some of the same physiological characteristics as Han people.']