Bastion Remnant/Structure

Bridge
Looks like an open piglin mouth - with "Bridge" being "tongue" - golden (if mini-)hoglin and "drop-of 'drool'," coming-off that part of that. Symbolic (but of what?).

Hoglin Stable

 * Structure || Entities || Gravity ||
 * Biome || Has entities || Has gravity ||
 * Basalt Deltas || || |b=Blackstone|p=Polished Blackstone Bricks || c=Chest |

Treasure
You can get many great drops from the chests such as netherite scraps or ancient debris. It is also very likely that you will find in generic chests spectral arrows(11,2%), arrows(54,6%), magma cream(44,1%), chain(24,4%), bone block(24,4%), gold ingot(19%) and block of gold(19%)