What are the precautions for Vatican tourism? What should I pay attention to when traveling to the Vatican?

Travel precautions 1. The queue at the Vatican Museum is very long. Suggest going early. Basically, the queue time is about 40 minutes. 2. No knives, etc. Enter the church, but you can bring water. There will be similar airport security checks and clothing inspections. The dress code is strict, and you can't wear shorts (including knee-length skirts) and sleeveless tops to visit. 3. Daily life has a strong religious color. Every Sunday, Catholics gather in St Peter's Square. At noon 12, with the church bell ringing, the Pope appeared in the central window of St. Peter's Cathedral and delivered a speech to the believers. The Swiss Guards of the Vatican hold an oath ceremony in the courtyard of St. Damaso on May 6 every year, reciting the oath that has remained unchanged for more than four centuries, praying for God to bless them to successfully complete their tasks, and giving their lives to be loyal to the Pope. The traffic system of Vatican is a small system. There is no big airport and expressway, only a heliport (used by senior officials when visiting the Vatican). Rome provided the Vatican with a second airport service. There is no barber shop in Vatican. 6. The necessities of life produced by the country, such as tap water, electricity, food, fuel and gas, are all supplied by Italy. The Vatican has a railway station, which is connected with Rome by an 862-meter-long railway. If the phone and calling card talk frequently, you can choose to buy a prepaid mobile phone card at the communication company outlet in Rome. Wind, Tim, Vodafone and other business outlets are more, while the price of mobile phone cards such as Tre is relatively low, but there are fewer outlets. Wind card opening fee plus telephone fee is about 20 euros at a time; Tim recharges 25 euros at one time, free of charge; Tre card opening fee is 2 euros, and monthly package is optional. You need a passport to get a card, and there is no roaming charge for dialing in Italy. Italy's SIM card opening package has at least 1G traffic, and there will be no extra charge for exceeding the traffic, but the network speed will slow down. Tips: Short-term travel phone card recommendation Relatively speaking, short-term travel recommendation style and card addition have the highest cost performance. If you need to make a domestic call, recommend a wind card. The first month is free of 1 Euro package fee, and each call is 0. 18 Euro minutes, and the second minute is 0.02 Euro minutes. In addition, there are many business halls in the wind, which are more suitable for travelers. The SMS fee is 0.09 euros per message. The price of communication companies in Rome is different, and here is for reference only. The power supply and voltage appliances use 220V, 50Hz alternating current, and use the round hole power socket commonly used in Europe. Visitors can prepare the power adapter in advance.