When it comes to polar ice, many people always see a white, crystal clear landscape  However, at 71 degrees north latitude and 168 degrees west longitude in the Arctic Ocean, the Snow Dragon for the first time into a dirty ice area, only to see a light blue ice mixed with a lot of dirty yellow ice, this yellow ice appeared on the new ice of the year, but also on the ice for many years
It takes many years to form ice algae on new ice
 As for the claim that human-caused pollution has already affected polar ice, some experts explain that this is only a unique creature living in polar ice, yellow-brown ice algae