None sfondo bianco Palla dell'albero di Natale Festeggiamento Close-up of a decorated candle with candy canes
None ingranaggio tecnologia connessione remota Gear and skull on colored background (Digitally Generated)
None Spostarsi verso l'alto corda avventura Silhouette of man mountaineering with arrow sign (Digitally Generated)
None persone tecnologia connessione remota Human hand taking measurement on ruler (Digital Composite)
None tecnologia connessione remota Immagine a colori World wide business connections (Digital Composite)
None Bastone da passeggio Adulto in età matura persone A man bumping into an oversized pill bottle as another man runs past the bottle
A diagram of the human skeleton, circa 1900. (Photo by Hulton Archive/Getty Images) sfondo bianco anatomia rappresentazione umana Human Skeleton
British diplomat and orientalist Sir Robert Hart (1835 - 1911) caricatured in the magazine Vanity Fair, December 1894. For 48 years, Hart served as Inspector General of China's Imperial Maritime Custom Service. (Photo by Hulton Archive/Getty Images) cultura cinese adulto maturo persone Sir Robert Hart