<b>Duck and Cover</b> Famous Civil Defense film for children in which Bert the Turtle shows what to do in case of atomic attack.
Archer Productions, Inc.
1951
<p><a rel="nofollow" class="external free" href="https://archive.org/download/DuckandC1951/DuckandC1951.mpeg">https://archive.org/download/DuckandC1951/DuckandC1951.mpeg</a><br></p>
<code>ffmpeg -i DuckandC1951.mpeg -vf format=gray,yadif,hqdn3d=4:0:3:0,colorlevels=rimin=0.039:gimin=0.039:bimin=0.039,format=yuv420p -ss 2 -c:v libvpx-vp9 -b:v 0 -crf 28 -threads 8 -speed 2 -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -c:a libopus -f webm Duck_And_Cover_(1951)_Bert_The_Turtle.webm</code>