"Big Platform" is a top 10 buzzword in 2016. It was from a joke of a Taiwanese singer. When he joined a famous music festival, he accidentally said this word in his speech. And netizens made fun of this word in different ways and posted lots of fun photos on the internet. The picture above is one of them.
Here you can see a "Big Platform". And the cache is hidden here. Except for Geocaching, you learned a trivia of Taiwanese culture !!