How is the world map in echarts divided into seven continents?

the world map is divided according to Oceania, South America, Asia and so on. What is the mapjson data? Do you have a specific demo? Thank you all

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Jul.06,2022
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b2c0ef-2bad8.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2c0ef-2bad8.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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