People watch demonstration of Chinese tea making during the sixth annual Vancouver Tea Festival in Vancouver, Canada, March 8, 2020. The Vancouver Tea Festival returned for the sixth year this weekend, featuring tea manufacturers, connoisseurs and vendors exhibiting different types of tea from around the world. (Photos: Xinhua)

People taste different types of tea during the sixth annual Vancouver Tea Festival in Vancouver, Canada, March 8, 2020. The Vancouver Tea Festival returned for the sixth year this weekend, featuring tea manufacturers, connoisseurs and vendors exhibiting different types of tea from around the world.

An exhibitor displays a cup of rose tea during the sixth annual Vancouver Tea Festival in Vancouver, Canada, March 8, 2020. The Vancouver Tea Festival returned for the sixth year this weekend, featuring tea manufacturers, connoisseurs and vendors exhibiting different types of tea from around the world.

Different tea leaves are displayed at a booth during the sixth annual Vancouver Tea Festival in Vancouver, Canada, March 8, 2020. The Vancouver Tea Festival returned for the sixth year this weekend, featuring tea manufacturers, connoisseurs and vendors exhibiting different types of tea from around the world.

People taste different types of tea during the sixth annual Vancouver Tea Festival in Vancouver, Canada, March 8, 2020. The Vancouver Tea Festival returned for the sixth year this weekend, featuring tea manufacturers, connoisseurs and vendors exhibiting different types of tea from around the world.