Quick Response codes, used to share information, could become antiquated before they catch on, with complaints that the codes are too Byzantine for too little reward.
Speaking of amazing, did you know we get a new stomach lining every 3-4 days? If we didn't the acids that digest our food would eat up our stomach too!
On our last day we took a scenic route through the old city. The lights, buildings, and river were truly spectacular. What great way to wrap up our trip.