Locate dimonds with Rod device behing the painting when you need to first locate the two vases to open trap door behind painting. You will receive a special rod that act like a sonic homing devie to locate diamond within the museum. Locate all 4 diamonds different rooms in museum. They are need to open the temple door. Place them from left to right under symbol with first the yellow diamond, red diamond, blue diamond and then green diamond. It will open the temple door in egypt room.