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ground-breaking ceremony
新校舎の鍬入れ式が行われた。
A ground-breaking ceremony for the new school building was held.
市長が鍬入れ式で第一鍬を入れた。
The mayor broke ground at the ceremony.
鍬入れ式には多くの関係者が出席した。
Many stakeholders attended the ground-breaking ceremony.