My statement is such, want to query the chongqing tourist attractions, but why the result is always the total 0, I checked with the tutorial is zero, could you tell me how to solve this? http://api.map.baidu.com/place/v2/search? Query=tourist attractions & amp; Chongqing region=& amp; The output=json & amp; Coord_type=1 & amp; Page_size=20 & amp; Page_num=9 & amp; Ak=

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