#How lonely can a person be? # A person and a dog in a few kilometers deep in the mountains, no electricity, no signal on the mobile phone, not seeing two people for several days, talking to the dog is what it feels like [cover your face]
#How lonely can a person be? # A person and a dog in a few kilometers deep in the mountains, no electricity, no signal on the mobile phone, not seeing two people for several days, talking to the dog is what it feels like [cover your face]
![The feces are worth millions of dollars! Blue whales can defecate up to 2 tons at a time, covering the sky and the sun within a radius of 100 meters[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)