Tom Goskar

Hi Karol,

I'm glad you liked the general production of the video - it was quite a challenge to do!

Since you work with LiDAR, you may know that much of it in the UK is collected by the Environment Agency, who kindly have us permission to use this dataset. Archaeologists have very little in the way of resources and money, so we have to make do with what we can get hold of. This data is several years old (2002, I believe), and in its time was utterly amazing for us as archaeologists. This video and dataset is still very useful to archaeologists to help us understand the lay of the land, and see some of the more eroded monuments more clearly. Compared to some of the information available to us, this *is* incredibly detailed.

As far as I'm aware, no other higher resolution dataset exists for this area (except around the River Avon). We are certainly aware that the LiDAR technologies are improving all the time, and much higher resolution data can now be collected. However, if any higher resolution data for the Stonehenge World Heritage Site exists, we currently don't have access to it.

As for the stones themselves, terrestrial 3D laser scanning is more appropriate to record the stones themselves, and close-range (sub-millimetre) triangulating scanners more appropriate for the recording of detailed features such as rock art on the stones themselves.

One day we'll be able to tie in all the data together, and that *will* be amazing!