Until 1923, sushi was primarily served as street food.
After the 1923 earthquake that struck Japan, owning a restaurant became more accessible due to a rapid drop in property prices, and such estates gained popularity.
The key ingredients of kimchi are napa cabbage, radish, carrot, garlic, chili pepper, onion, ginger, pepper, mustard, watercress, salt and sugar, sometimes accompanied by salted shrimp, anchovies or other seafood.
Sometimes soy sauce and sesame are added to the pickle.