Agriculture Secretary Tom Vilsack (center) and Labor Secretary Thomas E. Perez tour Anatomy and Biological Sciences classes in progress at Gwinnett Technical College, in Lawrenceville, GA, on Friday, Mar. 20, 2015.USDA photo by Lance Cheung.
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/people/41284017@N08">U.S. Department of Agriculture</a>
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Lance Cheung
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