Before the first hit, the team spent five years on research and pre-production including spending some time in China.

首次成功上映前，剧组花了5年时间进行研究和前期制作，包括在中国居住一段时间。

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To reduce disturbance of the order of production workshops, sightseeing visit by China and foreign team is forbidden in principle.

为减少对生产车间秩序的干扰，原则上谢绝旅游性质的中外参观团。

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Production team: During the nationalization and collectivization processes in China in 1950s, all farmers worked for their respective production teams.

1950年代中国农村土地国有化和合作化之后，农民为他们各自的生产队工作。

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