Grape vines at sunset: Their drip irrigation must be checked to ensure every part of each row gets an even watering.
Beehives at the end of a hot day. Note the bees swarming outside the hive at the centre. The interior is too hot (for the safe rearing of the brood) so they remain around the entrance, but leave it clear. In the day, bees 'drink' or pick up water which they take back to the hive to provide evaporative air conditioning. Clever creatures. The bees are an essential part of growing almost any plant that does not self-pollinate; they are here to work the carrot crop pictured below, whose heavy seed heads are nearly ready to harvest. The bees may decide to fly off somewhere else and visit other crops or flowers as they wish.
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