Between primordial sea and sea of vines: the coastal path in Alzey-Weinheim
![](https://rheinhessenblog.de/wp-content/uploads/2019/10/kuestenweg-wegweiser-683x1024.jpg)
A coastal path in Rheinhessen? Surely so, after all, the Mainz basin was once flooded by a subtropical sea. That was 30 million years ago, but numerous rock and fossil finds testify to a diverse underwater world.