Indeed I didn't take the the wrong subway but it was going to the wrong direction. "Ne problema" just walked to the one opposite where I got off. Guess what! In Moscow opposite subway lines are usually not the same lines to opposite direction. I was on the brown line. I realized this in one stop so…

On the train before Russia the Finns checked the passports and visas. They also gave a  migration form to fill. It had two sheets. They were almost identical but one had written arrival and the other one had departure or leaving or something like that. I filled the arrival page only as I saw that…