Use the source image as the exact first frame. Preserve the real faces, hairstyle...

Use the source image as the exact first frame. Preserve the real faces, hairstyles, clothing, body proportions, mountain gorge, river, trees, rocky trail, sunlight and camera angle exactly. 0–1 sec: the mother and adult son look warmly into the camera and their smiles become brighter. A light mountain breeze gently moves the mother’s hair, leaves and grass. 1–2 sec: both naturally uncross...