The irresistible force of spring has swept through the Kitanomaru National Garden in Kudanshita.
Bathed in iridescent sunlight, swaying daffodils dominate lush embankments while plum blossoms punctuate the woodland with tantrums of Burgundy.
Alarmed (justifiably) that this pastoral scene might reactivate my dormant Alan Titchmarsh gene, I dragged my host for the day, Naomi Sakamoto, toward the musty embrace of the Science Museum.