I am sorry for off-topic, I'm considering about creating an interesting web-site for pupils. Will probably commence with submitting interesting facts just like"Representations of butterflies are seen in Egyptian frescoes at Thebes, which are 3,500 years old."Please let me know if  you know where I can find some related facts like right here
 
https://www.agen-nasa.net/powerpoint-presentations-will-most-likely-19/