Ключевые слова: asia, asian, background, beautiful, clean, early summer, eco, ecology, environment, footpath, forest, fresh, fresh green, green, happy valley, highland, japan, japanese, karuizawa, landscape, may, moss, nagano, nagano prefecture, nature, plateau, refreshing, resort, road, scene, scenery, season, sidewalk, sightseeing, stone pavement, summer, tourism, trail, travel, tree, trees, view, villa, wood,