Tintin Seven Crystal Balls TP

On board a train, Tintin reads a newspaper article about seven explorers who have returned from a two-year ethnographic expedition in the Andes, where they unearthed the tomb of the Inca, Rascar Capac. A man says to him, "Think of all those Egyptologists, dying in mysterious circumstances after they'd opened the tomb of the pharaoh...You wait, the same will happen to those busybodies violating the Inca's burial chamber."

Then a mysterious illness starts affecting all the members of the expedition...