`whenYear` >='-3000'
AND `whenYear` <='3000'
AND
(`whereLoc` ='Guangzhou' OR (`whereLon` >='112.976' And`whereLon` <='113.556'And`whereLat` >='22.843'And`whereLat` <='23.423'))
ORDER BY `whenYear` ASC, `whenMonth` ASC , `whenDay` ASC,`eventSig` DESC
LIMIT
0
,
100