Hello I am going from China to Finland and transit at Moscow Sheremet, but the terminal I arrive at Moscow is Terminal F,at 15:10 o'clock, then I have to take the flight departing at 16:55 at Terminal D, I'd like to know do I need a transit visa? and is 1 hour 40 minutes enough to go from Terminal F to Terminal D? Waiting for your advice and Thank you very much!