"Food is an emotional bond that connects people, but milk goes beyond that. It ties together families, communities and even entire cultures across the world," Chen says. "Behind every drop of milk is a story of survival, wisdom and progress."

He also highlights milk's universal presence in diets, fostering shared experiences and cultural connections. "Common foods create a sense of understanding among people. Milk is one of those rare ingredients that transcends borders," he says.

For Chen, the documentary marks a return to global storytelling after the pandemic. "The world may have changed in many ways but it remains as beautiful as ever," he adds.