They could, just possibly, change our understanding of how Jesus was crucified and resurrected, and how Christianity was born

Whilst they might give a more detailed picture of what the early church 'looked' like. The problem in a way is that the link on the BBC site is purely pictorial.  There doesn't seem to be a great deal of 'knowledge' information from these items yet.

Just discovered that the link I had used directly from the BBC homepage - before seeing this thread - leads to the pics, whereas Mike's link above is to the written report.