From early-September to mid-November, farmers in the Long An province spend their days harvesting these delicate flowers.

Braving intense heat and high waters, Pham came away with a beautiful array of images.

The majority of the lilies are a deep pink hue or white.

Lily Harvest in Vietnam

As the white lilies only bloom at night, they’re often called ghost flowers.

Vietnam’s annual lily harvest is an incredible spectacle of beauty and hard work.

Farmer Picking Lilies from the Mekong Delta in Vietnam

Water Lily Harvest in Vietnam

Woman Gathering Lilies on the Mekong Delta

Farmer Picking Lilies from the Mekong Delta in Vietnam