Tomatoes of different varieties are on display during the Tomatoes 2022 exhibition in Latvian Museum of Natural History in Riga, Latvia, Aug. 17, 2022. The exhibition kicked off on Wednesday and will last until Aug. 21. More than 300 different varieties of tomatoes are on display. (Photo by Edijs Palens/Xinhua)

Tomatoes of different varieties are on display during the Tomatoes 2022 exhibition in Latvian Museum of Natural History in Riga, Latvia, Aug. 17, 2022. The exhibition kicked off on Wednesday and will last until Aug. 21. More than 300 different varieties of tomatoes are on display. (Photo by Edijs Palens/Xinhua)

People visit the Tomatoes 2022 exhibition in Latvian Museum of Natural History in Riga, Latvia, Aug. 17, 2022. The exhibition kicked off on Wednesday and will last until Aug. 21. More than 300 different varieties of tomatoes are on display. (Photo by Edijs Palens/Xinhua)

People visit the Tomatoes 2022 exhibition in Latvian Museum of Natural History in Riga, Latvia, Aug. 17, 2022. The exhibition kicked off on Wednesday and will last until Aug. 21. More than 300 different varieties of tomatoes are on display. (Photo by Edijs Palens/Xinhua)