Xia Lei had found a clue everyone else had missed in the last ten minutes. This clue was hidden in the floor tiles of the tomb. Those diagrams, writings and lines had gone through the analysis and organisation of his brain, and he found a very valuable clue. 

Excavation had started on the first treasure location two years ago, but no one had discovered the secret hidden in the floor tiles of Princess Yongmei’s tomb. The archaeologists could not be blamed for negligence, however. Who would be so meticulous as to take a picture of every tile, upload the images to a computer, then spend a huge amount of time to piece them together one by one to draw a conclusion?  

But Xia Lei was an exception. He had no need to take photographs, and no need to upload to a computer. He only needed his eyes and his brain to complete work which other people needed cameras and computers to do. He was faster, too. Even if an archaeologist were to do the task of taking pictures and uploading them to a computer to piece them together, the combinations were endless for tiles...