How Gwulo's new maps help you date old Hong Kong photos

I’ve just finished adding a new feature to make Gwulo’s maps more useful. In particular it can help you to work out what year an old Hong Kong photo was taken. 00:00 Introduction to Gwulo’s maps 01:16 Problem with the original map 01:35 New feature 1: Only show Places in a Range of Years 03:04 How to use it to date an old photo of Hong Kong 09:15 How to use it to trace Hong Kong’s development 13:07 New feature 2: Only show Places in a specific Year 14:16 Tip: Share a map 14:53 Tip: Show all Places