A man pours coffee into a cup for visitors at a booth during a coffee festival in Sanaa, Yemen, on Sep 29, 2022. The coffee festival was held in Sanaa on Thursday to promote Yemeni coffee. Photo:Xinhua

A man holds coffee beans at a booth during a coffee festival in Sanaa, Yemen, on Sep 29, 2022. The coffee festival was held in Sanaa on Thursday to promote Yemeni coffee. Photo:Xinhua

A man prepares coffee for visitors at a booth during a coffee festival in Sanaa, Yemen, on Sep 29, 2022. The coffee festival was held in Sanaa on Thursday to promote Yemeni coffee. Photo:Xinhua

A man prepares coffee for visitors at a booth during a coffee festival in Sanaa, Yemen, on Sep 29, 2022. The coffee festival was held in Sanaa on Thursday to promote Yemeni coffee. Photo:Xinhua

A visitor buys coffee beans at a booth during a coffee festival in Sanaa, Yemen, on Sep 29, 2022. The coffee festival was held in Sanaa on Thursday to promote Yemeni coffee. Photo:Xinhua

A visitor tastes coffee at a booth during a coffee festival in Sanaa, Yemen, on Sep 29, 2022. The coffee festival was held in Sanaa on Thursday to promote Yemeni coffee. Photo:Xinhua