The fair, as an exceptional opportunity to exchange knowledge and experience, was mostly taken advantage of by professional institutions. To a lesser extent they were followed by builders, who at this moment have a sweet problem with plenty of orders. Of course, it is necessary to take care of promotion while the going is good. The outlook for construction is good, but on the assumption that in the future we will take better care of human resources and education, they look beyond the borders, while also building their reputation in the domestic environment. The MEGRA and GREEN fairs both have a future, just as the construction industry and the sustainable way of working at all levels. “