An interesting seed for version 1.16, which will allow you to explore new biomes in the Nether world. Build a portal near the spawn point to get to the place where the soulssand valley intersects and the crimson forest. Also nearby are several desert villages and temples that will help you prepare to explore new biomes.
How to use Soulsand valley and Crimson Forest seed
Start the Singleplayer mode
Select ‘Create New World’
Then click on ‘More World Options…’
In the ‘Seed for the World generation’ field, enter -8086567054976026778