Hills?

From: flymuffins [mailto:flyingmuffins@...]

> I believe that 7 psi is similar to O'Neil's figures.
> But all of the artwork in his book has rolling hills
> and trees inside the habitat.
> How much would these weigh?

The trees wouldn't really weigh all that much compared to houses or
small buildings.

Consider that the hills might well be hollow, with the space inside used
for storage, light industry, etc.

Regards,

Mike Combs