A video has been released showing a waterfall that appears to flow through the clouds above a hidden cave in Brazil.
Giba Morais, who recorded this visual error in the Casa da Pedra cave in Ipuranga, Sao Paulo state, said the water appeared to be falling from the clouds, but was actually flowing through a crack above the cave mouth.
He added: "We recorded this natural phenomenon at the right time and from an ideal angle."