They are not tombs.
The Avenue of the Sphinxes connects Karnak Temple and Luxor Temple
There is an avenue of ram-headed sphinxes at Karnak in Luxor.
The plural possessive of "Sphinx" is "Sphinxes'," with the apostrophe after the "s." Please note the capitalization, as "Sphinx" is a proper noun.
yes it is
a lion
20
The Sphinx men are the men who are sphinxes.
Commonly sphinxes, sometimes sphinges.
sphinxes
It is painted in 1947
sphinxes were used to protect entrances of temples.
No they do not and not all are human or Egyptian.