The link you followed will bring you to this page:

https://www.eventbrite.it/e/biglietti-le-acque-di-bologna-il-navile-e-le-sue-storie-con-mauro-tolomelli-923537394207?aff=odsjfcfb&fbclid=IwZXh0bgNhZW0CMTEAAR3Q2JXx7-UySD3nFbaPFWdseHTSH6P-9uvb41jAU1QVUx81bmHPePcqztE_aem_AUAZyF354uSvbeaUBvO2cVcJH6mX_luFJOTUqYLPneGC7_7I2FUQ9VlCmFFeVjWMn8altzw4KfjcGrXEBtc2J0z6