七天黑白照挑战 - 第四天 # 7 days Black and White Challenge - Day 4

The is the forth day of the black and white contest, which I was nominated by @watersoo @joeliew to take part in the seven days black and white challenge.

The rules are here below :

Take 7 black & white photos that represent an
aspect of your life
Present one image every day for seven days
No people
No explanation
Nominate someone every day. Although
anyone can join in
Use the tag: #sevendaybnwchallenge as one of
your five tags

这是我接受黑白照片比賽的第四天，我是由@watersoo 和 @joeliew 提名參加这七天黑白照片挑戰。

規則如下：

7張代表你生命一部分的黑白照片
一天發出一張照片
没有人的照片
没有解釋
每天提名一個人但任何人都可参加
其中一個標籤必須用:
#sevendaybnwchallenge