Expert matches painter's journal entry detailing trip to Zum Spiegel in Aachen with sketch which is currently on show in major exhibition

Five centuries after the German artist took a year-long journey around the Low Countries, his remarkable journal and drawings go on show in Aachen before travelling to London

The new year's must-see shows include Vermeer and Botticelli blockbusters; major Jasper Johns and Yayoi Kusama retrospectives; and sweeping surveys on Iran, slavery and queer art