The landscape is very hilly and mountainous. Bison also graze in hilly or mountainous areas where the slopes are not steep. They also graze in hilly or mountainous areas where the slopes are not steep. Mountain zebras live in hot, dry, rocky, mountainous and hilly habitats. Wild sheep are mostly found in hilly or mountainous habitats. They tended to occur in certain localities, especially hilly or mountainous regions. Outcroppings of stone, ravines, or hilly or mountainous terrain called for cuttings and tunnels. Graduated terrace steps are commonly used to farm on hilly or mountainous terrain. This is due to the extremely hilly and mountainous nature of Chongqing's roads and streets. In Hungary this species is widespread in the hilly and mountainous areas. Other service reservoirs can be almost entirely underground, especially in more hilly or mountainous country. The vegetation is heterogeneous and storeyed due to the prevalence of hilly and mountainous relief. More than one person was required for hilly or mountainous areas. Southernmost Sweden contains a varied landscape with both plains and hilly terrain. In hilly or mountainous regions, two methods were used to hunt them there.