How did the Greeks and Romans build colossal temples?

From a channel Lumen includes in full: Toldinstone is made by Garrett Ryan, a PhD in Greek and Roman history, whose short illustrated essays on daily life, cities and politics in the ancient Mediterranean are built on ancient texts and archaeology and cite them.

A 6-minute video from toldinstone's catalogue; the title names its topic.

Video by toldinstone, played through YouTube's embedded player.