\f1 \fs22 The imposing \b \cf1 \ATXht1 apse\b0 \cf0 \ATXht0 at the end, with a \b \cf1 \ATXht22 vault\b0 \cf0 \ATXht0 that used to be covered with a \b \cf1 \ATXht13 mosaic\b0 \cf0 \ATXht0 of colored tesserae, housed a summer triclinium, where Hadrian's more illustrious guests could eat in comfort, stretched out on a large stibadio, a semicircular <<bed>> of stonewo
rk of which much has survived. Other guests participated in the imperial banquet from the two pavilions that flanked the central exedra. Notwithstanding the many hypotheses that have been put forward, it has not yet proved possible to define with any cer
tainty the purpose and the architectural and decorative arrangement of the gallery that stood at the back of the central pavilion.\par