This is some data: Alhambra, owner, P&O (company); Alhambra, powerType, Humphrys, Tennant and Dykes; Humphrys, Tennant and Dykes, location, Deptford; Alhambra, builder, Samuda Brothers.

Generate a detailed description of this data.
Sentence:
The Alhambra was built by the Samuda Brothers and owned by P&O. It is powered by the Deptford located firm of Humphrys Tennant and Dykes.