Come si formano le buche stradali e perché ricompaiono sempre?

They're every driver's nightmare and can be found everywhere, from north to south of Italy. We're talking about the "cursed" potholes, one of the main risk factors on our roads and the cause of numerous accidents every year. But why do potholes reappear even after a road has been paved only a few weeks? And above all: how do potholes form? In this video, we answer all these questions, showing you how a road is made—or at least, how it should be—and the causes of potholes. 00:00 Intro 00:58 How is a road made? The five layers 02:21 Two types of potholes: superficial and structural 02:48 How do potholes form? 03:28 Why do potholes form when it rains? 04:07 Why do they reappear even on recently paved roads? #roadholes #geopop More insights in our online science magazine: https://www.geopop.it/