Tiny mud fortress

Edible-nest swiftlets build their nests the same way. But using their own saliva. They are facing extinction because, for centuries, their nests have been harvested for serious money. It is a delicacy in some parts of East Asia.

Remarkable!

Am speachless

Que maravilloso arquitectos . Amorosos :)

God gives us everything we need, more than we ever asked for... ❤️

Why use an AI generated video, nature itself is far better..!

nice

Is this where Africans got their cookie recipe?

Magnificent!