How to make a DOME?

first of all, to make a dome by using this software
click 'Line' and make a shape such as in Image 01below.

Image 01

Next, click 'Vertex' in modify, and then right click on the yellow points to edit the line
(make smooth) and a box will appeared, then choose ' Bezier' or 'Smooth'
another step, click 'Modifier List' and click 'Lathe'.
DONE!!!

Image 02

 If the dome is not turn out such as in Image 02 , try playing the setting at the side bar.
such as change the output, or else..

Image 03

To make something better to this dome, try to build another things around it
and combined.

Image 04

Taraaa!!
on the above image i have put four pole, and make a floor and arrange it like a stairs.
The lasr step, setting the material, make suitable with the building structure ang add some lighting on it.insyALLAH_it will be look nice..:)

gud luck

thanks