What is the fine-grained topic of the following text: In October 2018, Inyatsi Swazi Frontier mountain bike stage race and a team consisting of Malolotja Nature Reserve Rangers and community members worked tirelessly in soaring temperatures to repair the community swing bridge which connects the Luhumaneni community on both sides of the Komati River along its race route. Only return the topic.
Repair of the Luhumaneni community swing bridge along the Inyatsi Swazi Frontier mountain bike stage race route