Calendário e shaduf: o que têm em comum

1. Passo 1. Calendário — utiliza — Sundial. Calendar observations relied on the movement of the gnomon’s shadow.
2. Passo 2. Sundial — é feito de — Stone. Sundials were hewn from stone.
3. Passo 3. Stone — é material para — Well. The walls of wells were lined with stone.
4. Passo 4. Well — utiliza — Shaduf. Or with a well sweep.

Abrir Evothings