The second collection of materials

This week we continue to collect material, the teacher took us to a place where

we took tools, buckets, hammers, shovels, we are looking for a colored stone,

we encountered a large stone, we shovels and hammers to the big stone block

chisel down, and then into a bucket, we can not take the rock containing

impurities, must be solid, relatively soft stones



I do is to help other people take pictures, put buckets