Green House Millipede - Macro Photography

I saw this creature yesterday in my farm while observing my farm to see how far the herbicides have dealt with grasses and how my plants are faring.

The plants were growing fine though there were some that couldn't germinate while some were picked birds and insects.

This particular insect is called the green house millipede. I have been trying to observe why they roam about my farm cause there were countless 8f them but I couldn't. Unlike caterpillars which I know observed as they destroyed my crops, I haven't seen this one.