Thanks @susanlo (link) for nominating me to participate in this challenge.
感谢美女 @susanlo (link) 提名我参与这个挑战赛。

Here is my entry:

The rules :

• 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

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

Today I nominate @null.
(是不是全网最牛的提名了?)