The link you followed will bring you to this page:

https://www.eventbrite.it/e/biglietti-libellule-e-farfalle-in-val-borago-666326108327?fbclid=IwAR1fAbAF-FwvhtYzlxhvjjWDqTxU_A-qC3UC0oRz-d0sHlkrtp4m_rcQQFU