This is a sample of what the World Tree app on mobile has to offer. It works wherever you take it, in real life or virtually.

Reginald Heber Thomson
Engineer who reshaped Seattle’s landscape and infrastructure.
A visionary civil engineer, Reginald Heber Thomson played a pivotal role in transforming Seattle’s landscape in the late 19th and early 20th centuries. He directed major projects such as the regrading of city hills, construction of bridges, and expansion of municipal infrastructure, laying the groundwork for Seattle’s modern growth. His ambitious initiatives made the city more accessible and set the stage for its future development.
What they know
Welcome to Seattle! As you explore, keep an eye out for the transformed terrain—our hills have been reshaped to better connect the city. The bridges you’ll cross are not just pathways but vital links forged to unite neighborhoods. Should you venture downtown, notice how the streets and sewers have been expanded thoughtfully to support our growing city. Enjoy your stay in this ever-evolving place!
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