a. rent a car in advance - sometimes you can get a discount with the ISIC card
one month left! one month left until I am flying to Spain. - finally. one month left until I am flying to Spain and live there for some months. AWESOME! one month to go and so much to prepare.
Moscow is an amazing city. but you can't just fly to Russia spontaneously. It really need a good preparation. but is it worth it? everyone should get an own opinion.