Table 1.
Characteristics of landscape types

Landscape types		Dynasties					Total
		Pre-Qin	Sui and Tang	Song and Yuan	Ming and Qing	Modern
Natural landscape	Topography	17	15	15	17	16	80
	Plant	14	8	11	12	12	57
	Waterscape	5	15	15	11	13	59
	Animal	6	2	2	2	0	12
	Weather	12	10	11	11	11	55
	Season	2	4	3	3	1	13
	Time	4	4	4	6	4	22
Total		60	58	61	62	57	298
Artificial landscape	Buildings	5	4	11	13	12	45
	Structures	3	6	9	7	6	31
	Relics	2	3	2	5	5	17
	Traffic	2	2	2	0	3	9
Total		12	15	24	25	26	102
Human activities	Human beings	4	7	5	5	6	27
	Five senses	7	9	7	11	5	39
	External activities	19	19	24	20	21	103
	Internal activities	44	31	25	25	27	152
Total		74	66	61	61	59	321