Ключевые слова: bittersweet, concept, connection, departure, emotion, emotional moment, farewell, farewell expression, farewell gesture, farewell scene, goodbye moment, goodbye train, heartfelt moment, hello 2025, journey, last wave, leaving, longdistance, motion, motion blur, moving train, moving vehicle, nostalgia, parting, passenger, platform, public transit, rail journey, railway, separation, train travel, transit, transportation, travel, travel emotions, travel goodbye, waving, waving hand, woman, woman waving,