Trip Review: Bangkok Daydream Day 4 – Revisit Terminal 21, Tax Refund at Airport

It was my final day in Bangkok, and my flight would depart at around 4pm. I have decided to re-visit Terminal 21 once again after I have finished my breakfast at hotel. I checked out of the hotel and took the taxi to the airport for 400 Baht. I booked a taxi a day ago,…