Zombie Spawner and Ancient City at spawn

Minecraft Seed: -6202809933377939275

1 Zombie spawner at spawn (-17, 118, 0)
2 zombie spawners near spawn (-130, 64, 67; -66, 145, 50)
2 Zombie Spawners 30 blocks from each other (213, 120, 54; 240, 120, 58)
Dripstone Cave (200, 120, 124)
Ancient City (200, -38, 230)