The waters, a central food source, were believed to contain great gods.
That area is believed to contain gas, not oil.
It is believed to contain the remains of unidentified victims.
The cave is believed to contain a large and noisy bat population.
The human genome is believed to contain around 20,000 - 25,000 genes.
The manuscript is believed to contain pages not previously read or published.
That the Trilogy was believed to contain an ancient secret, then again, yes.
Today the diaspora is believed to contain an estimated 80 million people.
In spite of its name, the cave is believed not to contain a large bat population.
The cemetery opened in 1807 and is believed to contain the graves of approximately 350 individuals.