# Prevent camera from going under the terrain **URL:** \ **Category:** CesiumJS\ **Created:** [November 24, 2017, 9:51am UTC](https://community.cesium.com/t/prevent-camera-from-going-under-the-terrain/6289 "2017-11-24T09:51:06Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![jeremiasandris](https://avatars.discourse-cdn.com/v4/letter/j/54ee81/32.png) [@jeremiasandris](https://community.cesium.com/u/jeremiasandris)\ **Post date:** [November 24, 2017, 9:51am UTC](https://community.cesium.com/t/prevent-camera-from-going-under-the-terrain/6289/1 "2017-11-24T09:51:06Z")
Hey, the following issue [https://github.com/AnalyticalGraphicsInc/cesium/issues/526](https://github.com/AnalyticalGraphicsInc/cesium/issues/526) says, that dont allow the camera to go under terrain is implemented already. Could somebody please tell me, what i have to do, to realise it ? Thank you Jerry [![](https://lh3.googleusercontent.com/-UY6iXad1diE/Whfq33WI3vI/AAAAAAAAATs/7dAH5G6TuewEEPdRSLscQi8uZx2HnJTbgCLcBGAs/s320/Cesium.PNG)](https://lh3.googleusercontent.com/-UY6iXad1diE/Whfq33WI3vI/AAAAAAAAATs/7dAH5G6TuewEEPdRSLscQi8uZx2HnJTbgCLcBGAs/s1600/Cesium.PNG) ---
**Author:** ![Gabby\_Getz](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/gabby_getz/32/7838_2.png) [@Gabby\_Getz](https://community.cesium.com/u/Gabby_Getz)\ **Post date:** [November 27, 2017, 9:54pm UTC](https://community.cesium.com/t/prevent-camera-from-going-under-the-terrain/6289/2 "2017-11-27T21:54:35Z")
Hi there, That’s roadmap issue is quite old, and seems to be out of date. There was a change in behavior that re-introduced this. We are tracking it in GitHub in [this issue](https://github.com/AnalyticalGraphicsInc/cesium/issues/5837). We’d welcome [contributions](https://github.com/AnalyticalGraphicsInc/cesium/blob/master/CONTRIBUTING.md) if you have some bandwidth to fix it! Thanks, Gabby