Prompt: \"Create a touching scene illustrating the emotional farewell between a mother and son at a bustling train station amidst heavy snowfall. The mother, warmly dressed, bids farewell to her son who is heading off to university. The platform is filled with a mix of emotions as other travelers and students navigate the snowy environment. Convey the depth of the mother-son separation through simple and whimsical expressions and body language. Adopt a children's book illustration style, balancing the warmth of the scene with the cold, wintry atmosphere. --v 5.2 --ar 16:9\"