If you break an egg to make a fried egg, there is a 1 in 11 billion chance that the egg has 4 yolks = South Korea

In South Korea, one egg yields four yolks and has become a hot topic. On the 26th, the Korea Poultry Association reported that four yolks came out of an egg purchased by Mr. Kim (64), who lives in Songpa-gu, Seoul.