Sun setting behind lone acacia tree on the edge of the Katavi Plain in Katavi National Park, Tanzania

horizontal horizon vast outdoors sun plain sunset dusk color colour silhouette glow yellow vibrant expanse landmark gold africa pink landmarks african golden landscapes tourism scenics glowing vastness dramatic silhouettes tanzanian grasslands tanzania horizon over land local landmark plains clear sky tourist attractions attractions destinations east africa nature silhouetted beauty in nature orange outside nobody scenic trees attraction destination travel landscape tree national parks national park color image acacia trees tourist attraction travel destination travel destinations non urban scene acacia place of interest acacia tree expansive colour image no one no people local landmarks places of interest katavi national park lone acacia