Not long after we were first told to stay at home you could really see the difference in British waters.
The measures cut out leisure traffic on the Solent – making the water around Portsmouth and everything that lies beneath it stiller and less disturbed.
These 11 beautiful pictures show how clear Portsmouth’s water became during lockdown, helped out by some glorious sunshine.
Have you ever see the city’s water look so good?
9. Portsmouth's amazing clear water during lockdown
The rock groynes of Southsea seafront are visible as the Solent looks clear and clean during lockdown.
Photo: Michaela Hopkinson on Instagram (mic_hop)
10. Portsmouth's amazing clear water during lockdown
A view from the Hot Walls in Old Portsmouth during lockdown
Photo: Ollie Goodwin
11. Portsmouth's amazing clear water during lockdown
The sea at the Hot Walls looked almost tropical as the sun shone down on it, on April 24.
Photo: Jamie Sunderland