Tags: infrastructure, electric, mainline, passenger, locomotive, russia, ukraine, built, developed, pulling, trains, carriages, speeds, kilometres, hour, faster, photograph, george, chernilevsky
Tags: plant, unripe, nuts, juglans, regia, species, world, walnut, native, region, stretching, balkans, eastward, himalayas, southwest, china, introduced, europe, united, photo, george, chernilevsky