This seed is mixing by two biomes, flat landscape and a savannah biome. If you go to savannah biome you will find two mountain one of them have a weird shape, also you can find a float island near two mountain. You spawn in the flat landscape biome, to going to the savannah biome, just turn right until you see a small hill, walk around or cross it, you come to savannah biome. Look at that, it so beautiful….
Seeds : infiniti Work in PE ver0.10.5 or ver0.11.0+