What historic site in tanzaku town did orochimaru destroy when he and tsunade met again?

In the anime "Naruto," Orochimaru destroyed the historic site of the "Sannin's Hideout" in Tanzaku Town during his encounter with Tsunade. This location held significance as it was linked to the legendary Sannin, a group that included Orochimaru, Tsunade, and Jiraiya. The destruction of the site symbolized the tension and conflict between Orochimaru and Tsunade, highlighting their troubled past and differing paths.