My custom Lego Kong base

Build this base for a local lego LUG competition :D Figured the techniques used for the base might be interesting for some of you guys here :D 0:00 The simple base 0:07 Shelving kong 0:10 The idea comes 0:43 BURPs are good 1:16 Terraforming 2:11 More burps 2:24 Caves and cliffs 2:47 More terraforming 3:23 The 3 tress 4:00 I love Minecraft :D 4:18 Thanks for staying you are awesome