\def\pic#1{\pdfximage height 5.3in{#1}\hbox{\pdfrefximage\pdflastximage}}
\hoffset=-.8in \voffset=-.8in
\hsize=8.1in \vsize=11in
\nopagenumbers

\pic{photos/2019-10-18-1.jpg}
\pic{photos/2019-10-18-2.jpg}
\pic{photos/2019-11-21-1.jpg}
\pic{photos/2019-11-21-2.jpg}
\pic{photos/2019-12-13-1.jpg}
\pic{photos/2019-12-13-2.jpg}

\pic{graph/depth_width.png}
\pic{graph/nearest_neighbor.png}

\bye