How to make this tower?

This is a picture of flame tower for Chengdu 2021.I try to make it,but fail.
Can someone tell me howto make it?Thanks a lot.

Hello
you seem to ask a lot of questions that looks like school work. But as you bring nothing it is like you just want answers without having done a thing. As @Tom_P said read the “help us, help you” for this forum

I just speak for me, but if I help it is firstly for me to learn things.

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