Close-up of a mass of king penguins (Aptenodytes patagonicus) in a tightly packed colony at Volunteer Point, Falkland Islands, South America

Roof tiles in Ping An, Longsheng traditional mountain village, near Guilin, China

Bell hydroid (Tubularia larynx) large group of individuals tightly packed togethe clearly showing polyp heads, St Abbs, Scotland, UK North Sea

Chicken chicks, tightly packed in boxes at the market, Morocco, Africa

Close up of tightly packed garlic chive microgreen seedlings shot from above

Close up of tightly packed microgreen coriander seedlings shot from above

Close up of tightly packed mustard microgreen seedlings shot from above

Close up of tightly packed Amaranth Aztec microgreen seedlings growing

Close up of tightly packed pea seedlings growing in urban farm

Tightly packed Amaranth Aztec microgreen seedlings shot from above

Tightly packed Amaranth Aztec microgreen seedlings shot from above

Close up of tightly packed microgreen seedlings in urban farm

Close up of tightly packed pea seedlings growing in urban farm

Close up of tightly packed coriander seedlings growing in urban farm

Side view of tightly packed pea seedlings growing in urban farm