> For the complete documentation index, see [llms.txt](https://cloud-studios.gitbook.io/wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cloud-studios.gitbook.io/wiki/issues/falling-sand-gravel-and-other-blocks.md).

# Falling Sand, Gravel, and Other Blocks

Example: Converting a 1.8 World to a Higher Version (1.18+)

If sand, gravel, or similar blocks fall after loading your build, we recommend installing the **FAWE (Fast Async WorldEdit)** plugin first: [FAWE Plugin](https://intellectualsites.github.io/download/fawe.html)

FAWE prevents blocks like sand and gravel from falling by bypassing normal “block updates,” which are checks the server performs to see if blocks need to change. These updates can consume CPU resources and cause falling blocks. When using FAWE, this behavior is intentional: blocks will not fall, and this is considered the correct and optimized behavior.

{% hint style="info" %}
**Good to know:** This design helps reduce server load and increases speed when pasting schematics, so sand and gravel placed by FAWE will remain stable by design.
{% endhint %}