A tube through the wall of the building gives the bees access to the outdoors so they can collect nectar.

The workers had apparently been collecting nectar from flowers, which they seemed to store in the upper part of their bodies.

Workers collect nectar and store it in their stomach.

They collect nectar from local plants and use it to make stuff they can store.

In fact the tongue is so long that the bee often fly with it extended when collecting nectar.

While collecting nectar, they also help in plant pollination.

Hummingbirds hover in front of flowers while they collect nectar.

The honey type is determined by the plants from which the bees collect nectar.

Bees collecting nectar that appear elsewhere when flying across borders.

Bees must collect nectar from four million flowers to make a kilo of honey.