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north
northern adj.
北方的，北部的
east
eastern
东方的，东部的
west
western
西方的，西部的
south
southern
南方的，南部的
The soil is washed away.
Rich lands tun into desert.
Enviromen is serious
?
Think about it!
When is Tree Planting Day in China?
What are the basic steps for planting a tree?
Tree Planting day
The Tree Planting Day
is on March 12th in China.
The date was to honor
Sun zhongshan. He wanted
people to plant more trees.
On that day, we usually
plant trees.
hole
洞口
dig a hole