How much does it cost to travel to Bulgaria?

I apply for a Bulgarian visa, and the embassy requires a bank deposit certificate of more than 50 euros a day, equivalent to 350 RMB, which is the daily living expenses, plus 200 yuan for one day to Sofia, which is neither expensive nor cheap in the hotel. Therefore, the daily living expenses in 500 yuan, the off-season air ticket is 4,000 yuan, and it costs RMB 10,000 yuan to play10.

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