But walter... if I have to make a change, I'll do it.

但Walter...如果必须要有所改变 我会做的。

I also teach at ICP New York International Center Photography, I teach a weekend workshop for the documentary at the documentary program and this semester I taught visual journalism at the walter cronkite school of journalism at Arizona State University.

我还在纽约国际心教摄影，我在纪目的周末工作坊教纪，这学期，我在亚利桑那州立大学沃尔特·克朗凯特新闻学院教授视觉新闻学。