People visit Emirgan Park among blooming tulips in Istanbul, Turkey, on April 6, 2019. Tulips in Emirgan Park have entered a period of full bloom, attracting a large number of visitors. (Xinhua/Xu Suhui)

People visit Emirgan Park among blooming tulips in Istanbul, Turkey, on April 6, 2019. Tulips in Emirgan Park have entered a period of full bloom, attracting a large number of visitors. (Xinhua/Xu Suhui)

People visit Emirgan Park among blooming tulips in Istanbul, Turkey, on April 6, 2019. Tulips in Emirgan Park have entered a period of full bloom, attracting a large number of visitors. (Xinhua/Xu Suhui)

People visit Emirgan Park among blooming tulips in Istanbul, Turkey, on April 6, 2019. Tulips in Emirgan Park have entered a period of full bloom, attracting a large number of visitors. (Xinhua/Xu Suhui)

People visit Emirgan Park among blooming tulips in Istanbul, Turkey, on April 6, 2019. Tulips in Emirgan Park have entered a period of full bloom, attracting a large number of visitors. (Xinhua/Xu Suhui)

People visit Emirgan Park among blooming tulips in Istanbul, Turkey, on April 6, 2019. Tulips in Emirgan Park have entered a period of full bloom, attracting a large number of visitors. (Xinhua/Xu Suhui)

People visit Emirgan Park among blooming tulips in Istanbul, Turkey, on April 6, 2019. Tulips in Emirgan Park have entered a period of full bloom, attracting a large number of visitors. (Xinhua/Xu Suhui)

People visit Emirgan Park among blooming tulips in Istanbul, Turkey, on April 6, 2019. Tulips in Emirgan Park have entered a period of full bloom, attracting a large number of visitors. (Xinhua/Xu Suhui)