Visitors crowd the Fengxian Temple, an iconic open-air niche at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

The Vairocana Buddha statue is seen at the Fengxian Temple at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

The Fengxian Temple and its statues are viewed from across the river at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

Statues at the Fengxian Temple are illuminated at night at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

Statues in a cave are illuminated at night at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

Statues in a cave are illuminated at night at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

Niches are illuminated at night at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

Statues are seen in a cave at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

Cliffside statues are seen at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

A statue of Guanyin, the Goddess of Mercy, is seen in a niche at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

Small statues are seen in a niche at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

Statues are seen in a cave at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

Intricate carvings are seen at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

Intricate carvings are seen at the Longmen Grottoes in Luoyang, Henan Province. /CGTN

A statue is seen in a cave at the Longmen Grottoes in Luoyang, Henan Province. /CGTN