<prompt> Translate the following text to EnglishKikundi kidogo cha watu, kutia ndani baadhi yao ambao wamevaa kofia ngumu na mavazi ya kazi yenye kungaa, wanatazama wakati kitu kisichoonekana kwenye picha kinatokea.  <response>: A small group of people, including some who are wearing hard-hats and bright work vests, watch as something un-pictured happens. 