Zinnias are in full bloom in Chongxin county, Pingliang, Gansu province. [Photo provided to gogansu.com]

As early autumn dawns, a sea of Zinnia flowers in Chongxin county, Pingliang, Gansu province, has burst into bloom, offering tourists picturesque views.

The blossoms come in different shades of orange, red, pink, yellow, and white, and are the favorite of bees and butterflies.

They not only have a beautiful appearance but also tenacious vitality. What's more interesting is that its first flower blooms at the top, and then the top of the side branch blooms higher than the first flower.