diff --git a/images/people/hadley_hover.jpg b/images/people/hadley_hover.jpg deleted file mode 100644 index bdedbe20..00000000 Binary files a/images/people/hadley_hover.jpg and /dev/null differ diff --git a/images/people/hadley_main.jpg b/images/people/hadley_main.jpg deleted file mode 100644 index 2fc58efe..00000000 Binary files a/images/people/hadley_main.jpg and /dev/null differ diff --git a/images/people/jiatao_hover.jpg b/images/people/jiatao_hover.jpg deleted file mode 100644 index feb253fb..00000000 Binary files a/images/people/jiatao_hover.jpg and /dev/null differ diff --git a/images/people/jiatao_main.jpg b/images/people/jiatao_main.jpg deleted file mode 100644 index 56591ed4..00000000 Binary files a/images/people/jiatao_main.jpg and /dev/null differ diff --git a/images/people/yuan_hover.jpg b/images/people/yuan_hover.jpg deleted file mode 100644 index 8fae8bc8..00000000 Binary files a/images/people/yuan_hover.jpg and /dev/null differ diff --git a/images/people/yuan_main.jpg b/images/people/yuan_main.jpg deleted file mode 100644 index 06997641..00000000 Binary files a/images/people/yuan_main.jpg and /dev/null differ diff --git a/images/people/zhuoran_hover.jpg b/images/people/zhuoran_hover.jpg deleted file mode 100644 index 4a47e656..00000000 Binary files a/images/people/zhuoran_hover.jpg and /dev/null differ diff --git a/images/people/zhuoran_main.jpg b/images/people/zhuoran_main.jpg deleted file mode 100644 index 694021b4..00000000 Binary files a/images/people/zhuoran_main.jpg and /dev/null differ