A NASA Jet Propulsion Laboratory (JPL) employee shows kids the tires used on the Mars rovers during the Mars New Year's celebration Saturday, June 20, 2015, in Mars, Pennsylvania. The town is hosting three days of Science, Technology, Engineering, Arts and Mathematics (STEAM) activities.
<bdi><a href="https://www.wikidata.org/wiki/Q71171454" class="extiw" title="d:Q71171454"><span title="American photographer">Bill Ingalls</span></a>
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