Just kind of a neat (possible) symbolism. I believe he may be sending us a coded message, like the Tweet text implies.
Thanks to LL (via R) for passing this Tweet along.
“Is this a US army officer standing in front of a giant white rabbit in the NWO Austrian enclave of Gallenkirch linked to the Satanic St Gallen mafia? ‘Three in quarantine… put away from the rest of us’ And a big endorsement for fresh air and sunshine! #Coronavirus #WWG1WGA”