The 'Ravelijn op den Zoom' (ravelin) is the last remnant of the fortifications designed by Menno van Coehoorn. The ravelin consists of a island with earthen and stone walls, surrounded by a wide moat. The ravelin is one of the few remaining parts of the extensive fortification system around the city. The fortress was so ingeniously designed that it was assumed that it could not be taken and therefore got the nickname 'La Pucelle' (Virgin). In 1747 the city nevertheless became occupied by French troops.
References:The Temple of Edfu is one of the best preserved ancient shrines in Egypt. It was built in the Ptolemaic Kingdom between 237 and 57 BC.
Edfu was one of several temples built during the Ptolemaic Kingdom, including the Dendera Temple complex, Esna, the Temple of Kom Ombo, and Philae. Its size reflects the relative prosperity of the time. The present temple initially consisted of a pillared hall, two transverse halls, and a barque sanctuary surrounded by chapels. The building was started during the reign of Ptolemy III Euergetes and completed in 57 BC under Ptolemy XII Auletes. It was built on the site of an earlier, smaller temple also dedicated to Horus, although the previous structure was oriented east–west rather than north–south as in the present site.