The terrain is mostly a flat plain with a mountain range along the southern plain. While in Poland many tourist visit sites of it's past. Poland until the 1980's was under communist control. As always when you travel you will need to get all your shots for safety reasons. Poland is a wonderful place to visit that is still undiscovered.
Travel is done mostly by train due to the fact that it ism a developing country.
Car and roads are available but are not in great condition. They are currently getting rain. The population of poland between now and 2050 well decrease. Right one the population of people between 0-20 is large. Even though it is large Poland economy is poor and as the decide to have children they won't have as many because they can not afford them.