A visitor takes a photo of a rare and new born Common Rose, a local butterfly, inside the Fung Yuen Butterfly Reserve in Tai Po, Hong Kong, on Aug 15, 2023. (EDMOND TANG / CHINA DAILY)

The Hong Kong Conservation Association on Tuesday launched the city's first "Butterfly Garden Certification Program" to mark the National Ecology Day. 

The event aims to provide certification services to butterfly gardens organized by schools, communities, and institutions to ensure that those organizations can establish and maintain effective natural habitats for butterflies to inhabit and reproduce, with the hope of enhancing biodiversity. 

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A butterfly garden provides food and shelter for butterflies at all stages of their life. Its essential elements include offering edible plants for butterfly larvae, plants for butterfly nectar, and proper sunlight, according to the Fung Yuen Butterfly Reserve.

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China Daily's Edmond Tang took those photos on Tuesday.

Common Birdwing

Common Birdwing

Indian Fritillar

Blue-spotted Grow

Common Rose

Common Mormon