It is sometimes also caused by dry eyes, meaning that your tear ducts are not producing enough fluid, or you have been exposed to a lot of wind or sun â and itâs also sometimes caused by smoke, chemicals or allergies. It is characterized by general redness (or pinkness) around the eyelid and the surface of the eye.
If you go by IMF, China is a developing country. You can see why. The difference between China and US is 10x in per-capita incomes, while the developed world differ from each other by a factor of 0.1x - 0.2x in percapita incomes. However, this developed/developing dichotomy is outdated and not really useful.
Besides the four great inventions : paper-making, printing, gunpowder and the compass, Ancient China contributed countless other inventions to the world, H ow many other creations do you know? Below is a list of the 20 inventions created by ancient Chinese and some may surprise you. The invention of paper greatly affects human history. Paper already existed in China since 105 A.C, however, a eunuch named Cai Lun (ca. 50 AD â 121) made significant innovation and helped drive its widespread adoption.