A mother and her children lay down and are part of a demonstration showing how NASA rovers navigate over obstacles as part of 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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