2. China' s Perspective Change of Built-up area in municipal cities -Built-up Area 30000 (sq km) ar Built-up Area(sq km) 25000 1997 13613 20000 1998 14658 15000 1999 15439 10000 5000 2000 16221 2001 17605 19971998199920002001200220032004 2002 19844 2003 23267 2004 239432. China’s Perspective Year Built-up Area (sq.km) 1997 13613 1998 14658 1999 15439 2000 16221 2001 17605 2002 19844 2003 23267 2004 23943 0 5000 10000 15000 20000 25000 30000 1997 1998 1999 2000 2001 2002 2003 2004 Built-up Area (sq.km) Change of Built-up area in municipal cities