Riddle #1

A strange announcement

As you frantically look for your first riddle hidden in the carriage, you notice the same peculiar announcement is played every time the train passes T2.

The automated voice announces the same cryptic phrase. You think, whatever 'they' refers to, it surely has to be the first password...

We have black eyes yet we stand tall. We do not move, but follow the sun wherever it may fall.
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