Desert pyramid

Pyramids are a type of structures that occurs naturally in desert biomes as of the snapshot 12w21a.

Appearance
Pyramids mostly consist of Wool, Sandstone, Chiseled Sandstone, Smooth Sandstone and Sandstone Stairs. In the middle of the Pyramid is a blue wool, underneath there is a 'secret' chamber with 4 chests which contain very valuable loot, and a stone pressure plate connected to a 3x3 grid of TNT. Some treasures found in Pyramids include Emeralds, Diamonds, Iron Ingots, Gold Ingots, Rotten Flesh and Bones.

Treasure
The pyramid is now the most valuable structure the game generates, as each pyramid contains 4 chests with highly valuable items. The colored wool, and 9 blocks of TNT in the trap are also fairly worthwhile loot.

When attempting to access the chests the player must take care not to step on the pressure plate at the bottom of the pit. Just below the sandstone are 9 blocks of TNT, touching the plate will doom the player (unless properly protected) and the content of all the chests. It is ill advised to enter the treasure chamber by breaking the blue wool, or any of the eight surrounding blocks. Instead it is best to dig down to the side, and then break the pressure plate when it comes into reach. Luckily the plate is stone, and will not be triggered by falling items, but be careful not to attract a mob down the hole (unless you have already removed the treasure).

An alternative method for retrieving the loot safely uses a bucket of water. By breaking the blue wool and placing water in its place, the player can swim down, break the pressure plate and a quick, safe route down (and up again) is provided. This has the added bonus of leaving the pyramid more intact, so it can be used as a base or the trap can be reset for an unsuspecting passer by in SMP.

Trivia

 * Possible bug: In the towers, there are Sandstone stairs under a Sandstone slab, where it should probably be a Sandstone block.
 * The first floor of the Pyramids doesn't generate symmetrically. The left side of the wall is closer to the center of the Pyramid.
 * Monsters can spawn in the loot chamber and trigger the trap by accident.

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