There is a little bit more here: https://giap.icac.cat/2024/09/09/a-universal-model-for-detection-of-qanats-using-hexagon-and-corona-images/ https://giap.icac.

There is a little bit more here: https://giap.icac.cat/2024/09/09/a-universal-model-for-detection-of-qanats-using-hexagon-and-corona-images/ https://giap.icac.cat/2024/09/09/a-universal-model-for-detec... For some reason, the article is inaccessible at the time of writing, but it seems to be using a military satellite to map ancient (and presumably shallow) underground water canals for archeological purposes.