Change the environment around a subject with Gemini Omni

Step by step

Run the workflow

1. 01

   Plan the transformation

   Use the source inputs to complete this stage and produce a result that can be checked before continuing.

   1. Your AI output is only as strong as your original source.
   2. Conceptualize how you want your final video to look.
   3. source footage that acts out the scenes you want to create. 2.You can replace
   4. the environment, actor, or visual style later using AI.

   

   Common failure modes

   • The model changes the subject, framing, text, product, or background instead of editing only the requested element.
   • The result looks polished at first glance but contains broken hands, unreadable text, warped objects, or inconsistent lighting.
2. 02

   Open the video editor

   Use the source inputs to complete this stage and produce a result that can be checked before continuing.

   • Click here to open Google Flow (opens in a new tab)Direct link supplied in the source. Source page 4.

   1. With your assets ready, it's time to edit your footages!
   2. Go to Google Flow and select "Create with Flow."
   3. Select + New project

   

   

   

   Common failure modes

   • The model changes the subject, framing, text, product, or background instead of editing only the requested element.
   • The result looks polished at first glance but contains broken hands, unreadable text, warped objects, or inconsistent lighting.
3. 03

   Upload the source asset

   Use the source inputs to complete this stage and produce a result that can be checked before continuing.

   1. You may receive free credits (varies by account).
   2. Upload your source asset.
   3. After you uploaded your asset, now fill in the prompts.

   

   

   

   

   Common failure modes

   • The model changes the subject, framing, text, product, or background instead of editing only the requested element.
   • The result looks polished at first glance but contains broken hands, unreadable text, warped objects, or inconsistent lighting.
4. 04

   Change the lighting so strong natural sunlight enters from the left side of the

   Use the source inputs to complete this stage and produce a result that can be checked before continuing.

   1. Copy the prompt below and replace any project-specific subject, product, location, or format details.
   2. Attach the source assets in the same order described by the prompt, then run one controlled test.

   Working asset

   Edit this video to look like it was filmed on a bright sunny day, while keeping the original scene, camera movement, subject, layout, and timing the same.
   
   Change the lighting so strong natural sunlight enters from the left side of the frame. Add warm golden-white light rays shining in from the left, with realistic direction, soft haze, and gentle bloom. The sunlight should brighten the scene naturally and create believable highlights on surfaces facing the left side.
   
   Keep the original objects, person, environment, camera angle, and composition unchanged. Do not change the location, layout, clothing, face, or background details.
   
   Make the scene feel airy, warm, and daytime: brighter exposure, soft sunlit atmosphere, natural shadows falling away from the left light source, subtle lens glow, and realistic light interaction. Avoid making it overexposed or fake-looking.
   
   The final video should feel like the same original footage, but transformed into a bright sunny day with beautiful light rays shining from the left.

   

   

   

   

   Common failure modes

   • The model changes the subject, framing, text, product, or background instead of editing only the requested element.
   • The result looks polished at first glance but contains broken hands, unreadable text, warped objects, or inconsistent lighting.
5. 05

   Match the new environment to the original camera perspective and movement

   Use the source inputs to complete this stage and produce a result that can be checked before continuing.

   1. Copy the prompt below and replace any project-specific subject, product, location, or format details.
   2. Attach the source assets in the same order described by the prompt, then run one controlled test.

   Working asset

   Edit this video so the same man remains unchanged, but the entire environment becomes a scenic grass field.
   
   Keep the man exactly the same: same identity, face, hairstyle, clothing, body shape, pose, movement, timing, and camera framing. Do not change or restyle the man.
   
   Replace the original background and surroundings with a beautiful open grass field on a bright clear day. The field should look natural and cinematic, with green grass, soft rolling landscape, open sky, warm sunlight, and gentle outdoor atmosphere.
   
   Match the new environment to the original camera perspective and movement. The man should look physically present in the field, with realistic outdoor lighting, shadows on the ground, wind or subtle grass movement, and natural depth.
   
   Do not add extra people, buildings, or unrelated objects. The final video should look like the same guy filmed in a scenic grass field, with the environment changed but the person preserved.

   

   

   Common failure modes

   • The model changes the subject, framing, text, product, or background instead of editing only the requested element.
   • The result looks polished at first glance but contains broken hands, unreadable text, warped objects, or inconsistent lighting.

Before you use it

Final checks

• Check the full result for changed people, products, text, timing, or layout.
• Confirm the tool, model, controls, and cost before generating.
• Keep private or unreleased material out of third-party tools.