Ключевые слова: 3d, adventure, airplane, airport, arrival, art, border, bus, camping, color, colorful, contour, departure, fire, gradient, icon, illustration, immigration, international, isolated, isometric, leisure, line, linear, lineart, locomotive, outdoor, outline, passport, plane, rail, railroad, railway, ship, sign, stamp, summer, tent, ticket, tourism, tourist, train, tram, transport, transportation, travel, trip, vacation, wood,