<span>trucks drive on them while they are frozen...</span>
Answer:
The leading theory, however, as to the “why” of “say cheese” is that the “ch” sound causes one to position the teeth just so, and the long “ee” sound parts their lips, forming something close to a smile. ... It's a formula for smiling when you have your picture taken.
none hehehee
The achievements of the Tang and Song Dynasties include "the invention of gunpowder and the growth of Confucianism".
The Song dynasty (960-1279) takes after the Tang (618-906) and the two together constitute what is regularly called "China's Golden Age."
The utilization of paper cash, the presentation of tea drinking, and the innovations of gun powder, the compass, and printing all happen under the Song. (The way that the tradition traverses the year 1000 may make it simpler for students to find these advancements in time.)
