A lovely millipede, which I think is the Orange Rosary Millipede (Helicorthomorpha holstii), spotted at Thomson Nature Park, Singapore, on 28 March 2023.
It was fast moving, so I thought it was a centipede until I had time to see the two pair of legs per segment, and realized it was a millipede.
On iNaturalist [ https://www.inaturalist.org/observations/152609427 ]