[Brain training video] Find 3 mistakes in the illustration of a firefighter

This time's spot the difference thumbnail is a spot the difference between a firefighter fighting a fire.
There are three mistakes in total, and the time limit is 90 seconds for each question.
If 90 seconds is too short, feel free to pause!
"Lucky" offers brain training and dementia prevention programs every day at 17:00 (US Eastern Time).
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Spot the differences recommended for dementia prevention and brain training!