The rare remains of ancient skeletons have been found in a farmer's field.
Diggers from Network Archaeology have discovered evidence of Iron Age and Roman settlements at a site in Glynde, near Lewes.
Pottery, tools and the prints from buildings were found from farming settlements during the late BC and early AD period.
The diggers also believe the skeletal remains of three horses in a pit were buried as part of an ancient ritual.
There were no knife marks on the bones of the animals which would have indicated they were used for food.
The archaeologists are excavating the land by South East Water ahead of a four mile (7km) pipeline costing £2.1 million being built.
South East Water's Graham Webb said: "Both the artefacts and animal remains are being carefully removed from the site before being sent away for further analysis."
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