この町は十年で大きく変わった。
This town changed a lot in a decade.
十年間 explicitly marks a duration of ten years, while 十年 can be used both as a duration and as a point in time (e.g., 'the year 10').
jubilee; semicentennial; 50th anniversary celebration
unchanging for years; same old routine for a decade
ten years is a long time; things change so much in ten years that it feels like a different era
veteran player; experienced player · veteran (at a job)
grudge of ten years' standing; harboring a grudge for many years
Compound of 十 (ten) and 年 (year).