
A visitor views Luoyang spades at Luoyang Spade Museum in Luoyang Normal University in Luoyang, central China's Henan Province, May 14, 2019. Covering an area of 660 square meters and with multimedia display, interactive game and virtual reality functions integrated, the museum exhibits about 300 Luoyang spades, an excavation tool widely used in archaeological study, architecture, agriculture and water resource constructions. (Xinhua/Li An)

A visitor views Luoyang spades at Luoyang Spade Museum in Luoyang Normal University in Luoyang, central China's Henan Province, May 14, 2019.

Students view Luoyang spades displayed in Luoyang Spade Museum in Luoyang Normal University in Luoyang, central China's Henan Province, May 14, 2019. 
A student watches a video at Luoyang Spade Museum in Luoyang Normal University in Luoyang, central China's Henan Province, May 14, 2019. 
A visitor views a board introducing Luoyang spade at Luoyang Spade Museum in Luoyang Normal University in Luoyang, central China's Henan Province, May 14, 2019. 
Students visit Luoyang Spade Museum in Luoyang Normal University in Luoyang, central China's Henan Province, May 14, 2019.

A student tries a Luoyang spade at Luoyang Spade Museum in Luoyang Normal University in Luoyang, central China's Henan Province, May 14, 2019.