Laos at the 2012 Summer Olympics
... that runners training to represent Laos at the 2012 Summer Olympics used barbell weights made from concrete, tires, and paint cans?
... that runners training to represent <b id="mwCro"><a href="./Laos_at_the_2012_Summer_Olympics" id="mwCrs" rel="mw:WikiLink" title="Laos at the 2012 Summer Olympics">Laos at the 2012 Summer Olympics</a></b> used <a href="./Barbell" id="mwCrw" rel="mw:WikiLink" title="Barbell">barbell</a> weights made from concrete, tires, and paint cans?