Austin Texas USA, April, 2004: Middle school students 6th and 7th grade learn about water and wastewater issues at City of Austin-sponsored Blue Thumb outdoor science event. Hispanic students looking at "Dillo Dirt" fertilizer made from sewage waste. ©Bob Daemmrich

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Size: 3008px × 1960px
Location: Austin Texas USA
Photo credit: © Bob Daemmrich / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: activity, curious, curiousity, demonstration, diversity, ecology, environment, environmental, extracurricular, field, group, hands-, high, iwi, junior, middle, multi-ethnic, observation, observing, school, science, scientific, students, trip, water