My grandson spotted this in Horton Park, Bradford, beside the children's play area. We then had an interesting chat about mosaics and how the Romans had mosaic floors in their houses (I think I can guess what he has been doing at school recently!).
This mosaic was created with the help of local primary schools and forms a quite attractive, eye catching feature of the park - but with a serious message.
Thank you all for your comments. Sorry for the delay in responding, but I've been away looking after my mum following her latest hospital visit.
Ian