Being able to work efficiently in a team is nowadays believed to be one of the most important abilities. It is so, because in miscellaneous enterprises there is improvingly more visible tendency to divide work for the whole groups. As a result, inter alia project groups are created. On the other side, sometimes if there is no appropriate leader in this field, the efforts of the whole group can be wasted.
Most of the travelers are thinking that ideal vacation is to visit any exotic location, getting sun bath and enjoying ancient buildings. However each year more and more tourists decide to change this fashion and better like to explore big metropolis in Europe, not always situated in the southern part of map.