People visit the "Mushroom 2020" exhibition at Latvian Museum of Natural History in Riga, Latvia, Sept. 9, 2020. (Photo by Edijs Palens/Xinhua)
People visit the "Mushroom 2020" exhibition at Latvian Museum of Natural History in Riga, Latvia, Sept. 9, 2020. (Photo by Edijs Palens/Xinhua)
People visit the "Mushroom 2020" exhibition at Latvian Museum of Natural History in Riga, Latvia, Sept. 9, 2020. (Photo by Edijs Palens/Xinhua)
Mushrooms are on display during the "Mushroom 2020" exhibition at Latvian Museum of Natural History in Riga, Latvia, Sept. 9, 2020. (Photo by Edijs Palens/Xinhua)
Mushrooms are on display during the "Mushroom 2020" exhibition at Latvian Museum of Natural History in Riga, Latvia, Sept. 9, 2020. (Photo by Edijs Palens/Xinhua)
Mushrooms are on display during the "Mushroom 2020" exhibition at Latvian Museum of Natural History in Riga, Latvia, Sept. 9, 2020. (Photo by Edijs Palens/Xinhua)
People visit the "Mushroom 2020" exhibition at Latvian Museum of Natural History in Riga, Latvia, Sept. 9, 2020. (Photo by Edijs Palens/Xinhua)