The center of the Roman Empire is in Italy. ROME. And to be specific,
there was a spot in the forum called the "umbilicus urbis Romae" which
is translated "the center of the city of Rome" or "the navel of Rome".
At any rate, it was the spot from which all distances, from all over the
empire, were measured.
Answer:
maybe that people are flying
Explanation:
this device is called the Oscilloscope.
I think it’s the third option
If it’s not I’m so sorry