Hilton Hotel.
15th floor.
Jon, who was in his room, was holding a binoculars and observing the situation at the bank's entrance.
Since the bank and Hilton Hotel were visible as there weren't any tall buildings, his position allowed him to see everything at the bank's entrance through the binoculars.
This was also the reason Jon chose to stay here before the drill.
Furthermore, he hid a bug on the smelting furnace.
The reason he hid this bug was because he thought that the person-in-charge would take it away after discovering it. He wanted to see if there was a chance to monitor the situation in the temporary command room.
He didn't expect it to succeed.
Of course, if Jon turned on his phone, it would be easier to watch the live broadcast of Gal Gadot.
However, one of the rules of the drill was that the robbers could not watch any live broadcast of the drill.
