Visions of Paradise: Botticini's Palmieri Altarpiece, at the UK's National Gallery

THE TELEGRAPH
By Alastair Smart
"The Assumption of the Virgin" (1475-66) by Francesco Bottincini
UNITED KINGDOM---A few years ago a zany scientist called Roberto Volterri published a book claiming we all need to look at Italian Old Master paintings more carefully. Why? The heavenly dome in Francesco Botticini's Assumption of the Virgin, for instance, was a flying saucer. Botticini's vast altarpiece – once in Florence’s San Pier Maggiore church and these days in the National Gallery collection – is now the subject of an exhibition. [link]
Città di vita, text by Matteo Palmieri, illustration by Francesco Botticini, 1473