I am very confused because people say the following pic is showing hazard crossing, but the y\_aixs is actually not h(t), it is s(x) the survival probability, then how do you conclude they are showing the hazard crossing when they are not a function of hazard ?

[![enter image description here](https://i.stack.imgur.com/eFhkr.png)](https://i.stack.imgur.com/eFhkr.png)