One of our public library branches features trunks of ash trees that used to grow on the site where the library was built - all of them dead because of the emerald ash borer invasion in Michigan. Emerald ash borer bugs were "imported" from Asia and don't have any natural predators here. Millions of ash trees have disappeared, and the bugs leave very distinct patterns on the wood. The designers used the trunks as the main feature of the library, making it interact with the nature area outside. There is even a documentary about designing and building this library branch: https://aadl.org/up_from_ashes