Wang Huiyao of the China Western Returned Scholars Association, which celebrates its centenary this year, observes that sea turtles have returned in five waves.
Their collection started over a hundred years ago when a museum director notice that the medieval paintings he brought home were quickly deteriorating.
Without any instruction or command, the shooting stopped and German and British soldiers met in no man's land. Photographs were taken and gifts exchanged. It was a Christmas truce.
One hundred years ago, this was a thriving and prosperous black community called the Greenwood District, with movie theaters, stores, doctors, schools and even a pilot who owned his own plane.
We're sorta right back where we were a hundred years ago, with nice orderly time just zones full of countries changing the clocks whenever they feel like it.
Because the reality is that if we do nothing it will take 75 years, or for me to be nearly a hundred before women can expect to be paid the same as men for the same work.
One hundred years ago, Ohio state's president William Oxley Thompson addressing the graduated seniors and told them something that still rings true today.
You know, seed-keeping was a tradition that existed for thousands of years, but in the past one hundred years or so, we've lost that tradition and today, farmers buy seeds from the market.
REPORTER (voice-over): Heavy artillery fire and a slow-moving front line, we may be in an era of technological progress, but the Russian invasion of Ukraine seems to share many similarities with conflicts a hundred years ago.