Garden feature. Hard Wood (Coventry CV3)

It's a hard wood tree root, I belive from Africa. It has been in our garden for over 25 years.
It is in need of some Tlc to fix the 2 shelves securely to the main structure.
Once it has been lightly sanded and a finish applied the grain and colour are beautiful.
The colour looks like mahogany.
It has been used to put plant pots on the 2 shelves. The height is 70 cm It's heavy
I don't want to take it to the tip 😩