Table 2.

The five sessions of the experiment.

Session	Stimulus group	Depth cue	Category of visual information
1	A and B	Frames formed by walls, ceiling, and handrail	Peripheral information
2	A and C	Image of lotus leaves overlapping water	Central information
3	A and D	Interior space of pavilion	Ambient information
4	A and E	Waterside buildings	Peripheral information
5	A and F	Texture of lotus leaves	Central information