Carthusian Martyrs of London were canonized by Pope Paul VI in 1970. There is a memorial plaque at Charterhouse Square. A private commemoration ceremony takes place each year at the Carthusian martyrs plaque on 4 May, the date of John Houghton's execution. There are paintings of four of the Carthusian martyrs - Blessed William Exmew, Blessed Thomas Johnson, Blessed Richard Bere, and Blessed Thomas Green - at the Certosa di Bologna. Vincente Carducho was employed by the monks of the Chartreuse of el Paular to decorate the great cloister with 54 canvases of historical figures. Twenty-seven represent the life of St. Bruno, twenty-seven are
Yellow-green vireo The yellow-green vireo has a nasal "" call, and the song is a repetitive "veree veer viree, fee’er vireo viree", shorter and faster than that of the red-eyed vireo. This species rarely sings on its wintering grounds. This vireo occurs in the canopy and middle levels of light woodland, the edges of forest, and gardens at altitudes from sea level to 1500 m. The 6.5-cm-wide cup nest is built by the female from a wide range of plant materials, and attached to a stout twig normally 1.5–3.5 m above the ground in a tree, but occasionally up to 12 m