Thanks to the creator of iceberg u/Probot748   / the_minecraft_iceberg_v3_finally_314_entries  

Everything snapshot https://www.minecraft.net/enus/artic...

0:00 0:24 Intro
0:25 1:35 How Iceberg is presented
1:36 5:40 Zeroth Layer
5:41 12:30 First Layer
12:31 43:36 Second Layer
43:47 1:03:17 Third Layer
1:03:18 1:21:02 Fourth Layer
1:21:03 1:21:32 Outro