Sollution
1 shows the severe air pollution problem in China.2 X is an inclined Christian Cross.
3 "+" replacing "t" indicates "to join".
4 A hypocrite shows diffrent faces under diffrent context.
5 The flow of time is drained from "I".
6 The "O" is a hole.
7 Its excellent sound can penetrate your heart.
8 The warning sign (exclamatory mark) for “i” suggesting you to pay attention to ideas.