This is a collage world with builds from six different worlds from the the xbox 360, ps3, and PC. Over 8 years of casual building (you can tell which buildings are older).
ConvertToPC - MCC Tool Chest
How to transfer my PS3 Minecraft world to a PS4 - Quora
You won't be able to convert your old PS3 or Vita Minecraft maps to the PS4 after this month | Windows Central
how to convert saves from ps3 to java? - Java Edition Support - Support - Minecraft Forum - Minecraft Forum
Minecraft Xbox/PS3/PC- Map Converter! - YouTube
Amazon.com: PS3 Eagle Eye Mouse and Keyboard Converter : Video Games
Minecraft: How To Convert Maps From PC to PS3! EASY Tutorial! - YouTube
How to import .Schematic into Minecraft World - DestructiveBurn
How to Convert Minecraft Playstation 3 Worlds to Minecraft Java Edition - YouTube
TIL the tutorial world from TU3 is completely compatible with Java Beta 1.7.3 : r/Minecraft