Topic
Public art: a possibility of creativity in our everyday lives.

Main idea
Since the thought of public art has been proposed to the public, recent years, public art has caught more and more public's attention. However, most of the people often ignore the exist of public art according to many reasons.

Topic sentence
paragraph 1: A short introduction of the history of public art.
a. Since World War II, public art in western countries has become an enforceable policy.
b. In Taiwan, the government has been spreading the idea of public art especially in the cities.

paragraph 2: a short introduction of public art
a. Now, the general definition of pubic art is the art work which is designed for sited in a space accessible to the general public, form a public square to a wall inside a building open to the public.
b. Generally speaking, there are a lot of different types of public art.
     1.
     2.
     3.

paragraph 3: We often ignore public art because ...
(What are the reasons?)
a. To those people who in the city, they often are already used to the exist of public art.
b. Sometimes,  the work aren't so easy to understand so that most of them just ignore them.

paragraph 4: The artists give us a different perspective on public art. They think ...
a.
b.
c.

use Shih as an example in paragraph 4.