The host, whether it is a person, bird, or pig, provides a place for influenzas to make contact, exchange genetic material, and form new viruses.

无论是人、鸟还是猪，作为宿主都能为流感病毒提供接触、交换遗传物质和形成新病毒的场所。

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FOOTPRINTS OF BIRD AND PERSON BY PAUL WINDSOR/SPECIAL PHOTOGRAPHERS ARCHIVE/BRIDGEMAN

鸟和人类的足印 拍摄者：Paul Windsor (特别摄影师) BRIDGEMAN艺术图书馆

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Perhaps because of this technique, a flower seems to send off fragrance, a bird seems to sing, a tiger seems to run, and a person seems to breathe.

也许是因为这种技术，花似乎欢送香味，似乎鸟唱，老虎似乎运行，一个人似乎呼吸。

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"I like how little performance there is in a person chatting at a table or just in a bird song and how it can also contain such depth, honest, and real soul, " he says.

NPR: East Forest: 'Pacific Coast Highway'

Mr Purdham was the ninth person to be shot dead by Bird, 52, who killed 12 and wounded 11 before killing himself.

BBC: Rugby star Purdham's tribute to Cumbria victim brother