There’s a need for humor in these times—and not the dark, unintentional kind you see in White House briefings. Here are my favorite seven tweets from the past seven days.

For literature buffs:

“Here’s how the Bogotá River [so polluted that Aterciopelados wrote a song about it] looked this morning after 5 days of quarantine.”

“Another end of the world is possible”

Read the replies if you don’t get the reference right away:

And of course, the now-classic “Quarantine day 6”: