Answer:
Explanation:
https://www.bing.com/th?id=OIP.sUxucBP59jYQbiKPC1_VEAHaEK&w=200&h=110&c=8&rs=1&qlt=90&o=6&dpr=2.25&pid=3.1&rm=2
Corbel dome: arch like construction method to span a space or void in a structure such as a entryway.
Tholos: Beehive like tomb; Burial structure made out of mud bricks and stones.
Rotunda: Round building or dome.
