see https://zh.wikipedia.org/wiki/%E6%B7%A1%E8%B7%AF%E5%B3%B6
If set language variant as zh-cn, zh-sg, zh-my,zh-hans, map cannot be displayed.
- zh-cn: https://zh.wikipedia.org/zh-cn/%E6%B7%A1%E8%B7%AF%E5%B3%B6
- zh-sg: https://zh.wikipedia.org/zh-sg/%E6%B7%A1%E8%B7%AF%E5%B3%B6
- zh-my: https://zh.wikipedia.org/zh-my/%E6%B7%A1%E8%B7%AF%E5%B3%B6
- zh-hans: https://zh.wikipedia.org/zh-hans/%E6%B7%A1%E8%B7%AF%E5%B3%B6
Maps can be displayed normally in other language variants (zh,zh-hant, zh-tw, zh-hk, zh-mo)
see screenshot:
{F31646371}
- displayed normally map image url: https://maps.wikimedia.org/img/osm-intl,9,34.383333333333,134.83333333333,270x200.png?lang=zh&domain=zh.wikipedia.org&title=%E6%B7%A1%E8%B7%AF%E5%B3%B6&groups=_f827e130f18a80feb368547f3f916418efd3a811
- cannot be displayed map image url: https://maps.wikimedia.org/img/osm-intl,9,34.383333333333,134.83333333333,270x200.png?lang=zh&domain=zh.wikipedia.org&title=%E6%B7%A1%E8%B7%AF%E5%B3%B6&groups=_ad5e47f00f37dccc49dfeb7362457be80aad4de1 (Return error: `"GroupId not available"`)