Some years ago, plans to build a shopping centre on a piece of land in Glasgow were delayed when photographs taken from the air showed that there were marks of ancient houses that had once stood on this land. Archaeologists found the photographs (0) ........ and were keen to carry out an (25) ........ on the land. They knew that once the shopping centre was built, the archaeological (26) ........ would be hidden forever. (27) ........ , building work was due to start just a few days after the (28) ......... of the houses was made. The archaeologists wanted to delay the start of building work and held urgent (29) ........ with the (30) ........ to request that the building work should not begin immediately. An agreement was reached and the archaeologists were given eleven weeks to find out more about the houses before building work began.
They found that the houses had been made of wood and were circular in shape. They had (31) ....... been surrounded by a deep ditch. What remained of the (32) ....... was some holes in the ground where the (33) ....... of the houses had built a fence some two metres in height, presumably to offer them some (34) ....... from attack.