Space travel has been perfected, as has the ability for interdimensional shifts that render these ships undetectable. Theatre, concerts and a wide variety of the arts. Also, for you Trekkies, the Holodecks. A painless three months, not nine. A very sacred process whereby, upon conception, a woman will go to the temple for three days, immediately welcoming the child with beautiful music, thoughts and imagery.
Water birthing in the company of both parents is standard.
Due to cultural differences, average heights of subterranean citizens vary. Death by degeneration is simply not a reality in Telos. Most Agartheans choose to look an age between 30 and 40 and stay there, while, technically, they may be thousands of years old. By not believing in death, this society is not limited by it. Upon completing a desired experience, one can disincarnate at will.