sentences:  In Europe at least, this is due to human pressures, which caused them to abandon open lowlands, timbered plains and river-fringed forests for forested, precipitous uplands.A slow repopulation of their preferred lowlands reported since 1990s in Slovakia and Hungary.Often, eastern imperial eagles winter in more open habitats such as grassland, plains, semi-desert and cultivation with scattered trees as well as various marshes, lakes and other wetlands.