What are the requirements to make a building a skyscraper?

In a sports club of 60 members , 30 play cricket , 25 play elle and 15 play botn include this in a venn diagram

Why were renaissance artists influenced by ancient greek and roman temples and buildings?

In russian churches the number of domes usually matches the number of altars. but this church has only one altar dome, and 21 symbolic ones. what normal construction device does this church lack?