What makes an ideal Moon base?

The ideal sport on this moon base would be bowling. It would make you
make alowances for one six less gravity,but when the bowling ball hits
the pins it will hit with the same force as on the Earth;. This fact
will keep reminding you that "mass" stays the same. Bert

The moon base should be the size of LA. It should house 200,000
people.It should be humankinds most important project,and its plans.and
construction should be going on now. This moon city would be the life
boat for humans,as they destroy themselves,and all organic Earth life
forms. The moon city should be called 911 Bert