Toggle Background Color
This is basically how nature works with science in real life cities, except instead of dromaeosaurs and ceratopsians it's raccoons and garbage bins.
This was my conceptually favourite wonder when I was little and it still is. How else are your marine animals going to know how to travel fast if they haven't memorized a big stone slab covered in paleo-hydrography?
Communism works. At least for dinosaurs.