Mount Vesuvius is an active volcano located just east of Naples, Italy. It is the only volcano on the continent of Europe that
Cholera was a deadly disease of its day. Neither its cause nor its cure
He became interested in two theories
John Snow suspected that the second theory was correct but he needed evidence. So when another outbreak hit London in 1854, he was ready
This year marks the 92nd anniversary of the September 18 Incident.
On September 18, 1931, Japanese troops
The incident marked
The 14-year Japanese invasion resulted in over 35 million victims among Chinese troops and civilians. By commemorating the September 18 Incident, the Chinese people reaffirm (重申) their
The commemorations serve as a reminder for the Chinese people
Woodblock printing first appeared in the early Tang period. During the Song dynasty, the technique of block printing was very advanced. Books were
However, block printing
The technique of printing was gradually known to other Asian countries and Europe. The great influence printing had