Why were 6 tests played in the ashes in 1997?

In 1997, the Ashes series consisted of six Test matches due to a decision by the England and Wales Cricket Board (ECB) and Cricket Australia to expand the traditional five-match format. This was aimed at increasing the excitement and competitiveness of the series, as well as providing more opportunities for fans to engage with the historic rivalry. The series was held in Australia, and England managed to secure a 3-2 victory, making it a memorable contest.