Complex sentence: The Museum is built on a steep cliff, which enables it to embody a full scale design for the Nile river from its origins in Ethiopia and Sudan to Egypt, and is surrounded by a Natural Botanical Garden which contains a large variety of Egyptian flora.
Split into simpler sentences: The Museum is built on a steep cliff, which enables it to embody a full scale design for the Nile river from its origins in Ethiopia and Sudan to Egypt. The edifice is surrounded by a Natural Botanical Garden, which contains a large variety of Egyptian flora.