'Relativity' is a lithograph print by artist M. C. Escher, first printed in December 1953. It depicts a world in which the normal laws of gravity do not apply. This is an animated version of the famous artwork [source: https://t.co/s2vXN8YonE]
Fallingwater, the modern house prototype built by Frank Lloyd Wright over a waterfall in 1935
[read more: https://t.co/MzteF5EKnN]
[video: https://t.co/Xv9SfmZbjP]
Geomorphology of a river: what happens when you install a dam or a weir and how the sediment transport changes [full video + full explanation here: https://t.co/cjyB0k8UXu]
Μου έχουν μείνει 2.5 πακέτα πάνες babylino No6 απ' τα παιδιά μου .
Σχεδόν 200 τεμαχια .
Από γνωστούς δεν τις χρειάζεται κανείς .
Αν κάποιος τις θέλει ,να τις πάρει να ησυχάσω κ εγώ .