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Ice Age
on 8 Oct 2021
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earthmap
[X,Y] = meshgrid(0:359,-89:90) ;
contour(X,Y,topo,[0 0],'k')
idx = topo<=0 ;
figure('color','k')
hold on
plot(X(idx),Y(idx),'Marker','.','color',[0 1 1])
plot(X(~idx),Y(~idx),'.w')
text(50,13,'Few million years ago','color','k','FontSize',20)
axis off