The Karnak temple at Thebes was begun around 2134 b.c. , marking the city's rise to prominence.
Although begun around 2134 b.c., the Karnak temple wasn't completed until nearly a century later. 
mnli hypothesis: Although begun around 2134 b.c., the Karnak temple wasn't completed until nearly a century later.  premise: The Karnak temple at Thebes was begun around 2134 b.c. , marking the city's rise to prominence.