At that thought, Diana felt an added layer of unease. She realized that being stolen and sold for money might already have been the best possible outcome. If someone wanted to use this thing for something else, that would be real trouble.
She wanted to call Clark and warn him, but she also knew that with something this big, there was no way Clark did not already know. The Presidential Palace had most likely already mobilized; there was no need for her reminder.
Diana hesitated, then decided to search the area herself first. It would be best if she found a clue, but if she did not, at least she would have done her best. She could ask for help later.
Diana began flying around the Metropolis Museum, carefully inspecting the surrounding environment. After making a full circuit, she really did spot something suspicious.
The door from this exhibition hall to the others was small, but the windows leading outside were not. Since the glass was intact, no one had suspected them. But from outside, Diana noticed signs that the screws in the window frame had been retightened.
She quickly called over the curator and the police. The detail was too minor, and it was on the exterior of the Metropolis Museum, so no one had noticed it. The police swarmed over, brought in some experts, even the glass manufacturer. After studying it for half a day, they discovered that these robbers were genuine geniuses.
The glass on the exterior of the Metropolis Museum was tempered glass, with a certain degree of bulletproof and impact-resistant capability. But for aesthetic reasons, its window frames were wooden. The two were joined with screws, rather than being embedded in Rebar Concrete like normal bulletproof glass.
Moreover, because the Metropolis Museum had been built