Dining: seafood hot pot, abalone congee, conch, sashimi, grilled Bangkwan fish, etc. are local specialties, Jeju's famous flavors are also cake, grilled Kaji fish, five-plum sparkling wine, chicken soba, Sheng crab soup, buckwheat cut noodles, and so on. Jeju's specialty gifts include replicas of stone statues, black coral crafts, and handmade Yasukdong hats made of rattan. There are many interesting places to visit, and the scenery is beautiful everywhere you go. This is the season when the rapeseed blossoms are in full bloom, and they are especially beautiful. Things to note: Entry visa: All foreigners entering Jeju need to have a passport of their home country. Except for Japanese nationals, travelers with a return ticket can stay without a visa for 15 days, and nationals of countries with which Korea has a mutual visa exemption agreement can stay without a visa for a specified period of time according to the agreement. Customs: Customs inspections at the time of entry are divided into an undeclared channel (green) and a declared channel (red). Travelers can use the green channel if they have no more than 10,000 U.S. dollars in foreign currency, no more than 300,000 won in the total price of their belongings (one bottle of alcohol, 10 packs of cigarettes, and two ounces of perfume), and no prohibited items. If you are carrying valuables, you must fill out a "Declaration of Items to be Carried Out of Korea". Taxes and Service Charges: Tipping is not common in Korea, but there is a 10% surcharge when using tourist facilities or purchasing goods. Of course, it is a good idea to thank cab drivers for extra services such as carrying your luggage. Voltage: Generally 110V or 220V, and hotels and other service facilities are equipped with both types of power outlets for electric shavers and hair dryers. Please check the voltage before use. Telephone: In hotels, you can get the service of the switchboard, or you can use the city's public telephones, which are divided into coin-operated and magnetic card-operated, and most of them are magnetic card-operated.