"Scientific expedition to Greenland?" Han Lu frowned. "I vaguely remember something like that. I recall her mentioning it a long time ago, saying that a local on Greenland had discovered some ruins or something. Supposedly, there were murals inside related to primitive worship.
"That person reported it to the authorities, and it caused quite a stir at the time. Many renowned scholars were interested, so they organized two scientific expeditions and went to the area the local had described on two separate occasions to search for the ruins. But in the end, they found nothing. After that, people began accusing the local who had claimed to discover the ruins, believing it was all a story he had made up. Although he insisted that he hadn't lied, no sufficient evidence could ever be found, and the matter gradually faded away. But your mother had always been very interested in it. Based on that person's description, she believed those ruins were likely connected to the origins of Mesopotamian Mythology, Celtic Mythology, and Egyptian Mythology."
Zhang Heng looked somewhat surprised. "Why couldn't I find anything about this online?"
"Oh, that news was from seventy or eighty years ago. It was considered a minor embarrassment to the archaeological world at the time, so only a few local newspapers published it. Xiao Xia seemed to have come across it while going through old newspapers at the British Library. She was writing some sort of thesis back then. Although the news had little to do with her research at the time, she could never stop thinking about it.
"Later, we both graduated and got busy with our own lives. At first, Xiao Xia and I kept in touch by phone, but as our work became increasingly demanding, we switched to email. We would usually talk about