Not sure how you reached that conclusion:
"English Heritage, which manages the UNESCO World Heritage Site, said it was “extremely upsetting” and said curators were investigating the damage."
"English Heritage, which manages the UNESCO World Heritage Site, said it was “extremely upsetting” and said curators were investigating the damage."
I assume the biggest impact here is that archaeologists will have to exclude orange corn flour as background noise from any future analyses
I do not think so.
Anyone who's been around small children knows that some food dyes do NOT disappear when washed, even with detergent.