Is five gears enough for touring?

Image: https://cimg5.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1130/img_20190115_140143_d6223352fa3f8485a998021d764ab3d5b93485fd.jpg Image: https://cimg6.ibsrv.net/gimg/bikeforums.net-vbulletin/2000x1130/img_20190115_140149_36cae3efcb5ea9b7c3c30b0628d4d3ba8b0a8d04.jpg Hi.

I think the...