The diegetic sound of rain is heard. The dark colours symbolise the mood. The stereotypical weather shows there is something bad coming.
Both of them explore the house
Point of view shot from the perspective of Clara. Non-diegetic music starts playing in background to add suspense.
They find the room
Switches from point of view shot to a long shot showing their movements from behind. High angle as they enter from the railing above making them appear small.
The man is covered in red markings
Dolly shot as the camera follows Clara as she searches. The music stops playing. The footsteps are the only sound effect as well as their breathing.
The music gets faster as the camera angle changes to in front of the characters. Camera angle becomes Medium shot.
The music is ominous sounding as the room is extremely dark. A light suddenly appears which symbolises Clara, the light in this dull and gloomy movie. The camera turns to medium close up of the old man.