`whenYear` >='-3000'
AND `whenYear` <='3000'
AND
(`whereLoc` ='Dongguan' OR (`whereLon` >='112.991' And`whereLon` <='114.441'And`whereLat` >='22.308'And`whereLat` <='23.758'))
ORDER BY `whenYear` ASC, `whenMonth` ASC , `whenDay` ASC,`eventSig` DESC
LIMIT
0
,
100