Those who went in reported many buildings, and much activity.

But, when the wall was done, and each gate said "No admittance except on business," then the work of genii was imagined, and there was none to contradict.
It was a School of Theosophy; it was a Christian Science College; it was a Free-Love Colony; it was a Secret Society; it was a thousand wonders.
"Lot of little houses and one big one," the employees said when questioned.
"Hotel and cottages," the employers said when questioned.
They made no secret of it, they were too busy; but the town was unsatisfied.

Why a wall?
What did any honest person want of a wall?
Yet the wall cast a pleasant shadow; there were seats here and there between buttresses, and, as the swift California season advanced, roses and oleanders nodded over the top, and gave hints of beauty and richness more subtly stimulating than all the open glory of the low-hedged gardens near.
Diantha's soul was stirred with secret envy.

Some big concern was about to carry out her dream, or part of it--perhaps to be a huge and overflowing rival.

Her own work grew meantime, and flourished as well as she could wish.
The food-delivery service was running to its full capacity; the girls got on very well under Mrs.Jessup, and were delighted to have a house of their own with the parlors and piazzas all to themselves, and a garden to sit in as well.