Amsterdam's Tulip Festival 2020 brings tulips into streets throughout the whole month of April. Due to the coronavirus epidemic, some tulip locations are closed this year. (Photo by Sylvia Lederer/Xinhua)

Amsterdam's Tulip Festival 2020 brings tulips into streets throughout the whole month of April. Due to the coronavirus epidemic, some tulip locations are closed this year. (Photo by Sylvia Lederer/Xinhua)

Amsterdam's Tulip Festival 2020 brings tulips into streets throughout the whole month of April. Due to the coronavirus epidemic, some tulip locations are closed this year. (Photo by Sylvia Lederer/Xinhua)

Amsterdam's Tulip Festival 2020 brings tulips into streets throughout the whole month of April. Due to the coronavirus epidemic, some tulip locations are closed this year. (Photo by Sylvia Lederer/Xinhua)