A short educational film.
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Reach thousands of daily viewers · size 1200 x 200
Reach thousands of daily viewers · size 970 x 90
2016 · ★ 6.9
1971 · ★ 7.0
2017 · ★ 6.4
2021 · ★ 7.8
2019 · ★ 6.2
2013 · ★ 6.2
2025 · ★ 7.2
2013 · ★ 7.1
2022 · ★ 6.8
2023 · ★ 6.1
2022 · ★ 7.0
2009 · ★ 7.0
2019 · ★ 6.5
2020 · ★ 6.7
2002 · ★ 6.2
2006 · ★ 6.6
2025 · ★ 7.9
2026 · ★ 6.4
2024 · ★ 6.7
