The expanding NESA needed new headquarters
and found these in an already existing flat. Part of my modeltrains scenery, so I only had to add the letters
images below to see larger images
The ESA spacetime satellite has something to do with Einstein.
Gravity slows time so astronauts in space get
their salary and holidays earlier.
But a salary is of no use in space except when
you can buy souvenirs in the souvenir shop of the
Vice-President of NESA
(NESA doesnt have a President to save a big salary and bonuses)