Kamal Abu el-Saadat continued research in the 1960s with a pioneering submarine archaeology campaign which found more ruins and a 25-ton statue fragment. Another campaign began in the 1990s under the supervision of Franck Goddio, finding numerous artifacts including twelve sphinxes, some apparently removed from Heliopolis by the Ptolemies.
Kamal Abu el-Saadat continued research in the 1960s with an innovative submarine archaeology expedition that uncovered additional ruins and a 25-ton statue piece. Another campaign started in the 1990s under Franck Goddio's guidance, revealing numerous artifacts such as twelve sphinxes, some possibly taken from Heliopolis by the Ptolemies.