Sure, here is a breakdown of how Castlecrag, Jabalpur, Honolulu, and Raleigh show the specific design principles of Walter Burley Griffin and whether they are still relevant in the modern era:

**Castlecrag, Australia**

* **Integration of nature and the built environment:** Castlecrag is a suburb of Sydney that was designed to be a garden city. Griffin used natural features, such as the Lane Cove River and the North Shore escarpment, to create a sense of place in his design. The suburb is home to a number of parks and gardens, as well as walking and biking trails.
* **Hierarchical street system:** Castlecrag's street system is designed to be hierarchical, with major roads connecting the suburb's major landmarks and minor roads providing access to residential areas. This system helps to ensure that traffic is efficiently routed through the suburb, while also providing residents with convenient access to their homes.
* **Central civic core:** Castlecrag has a central civic core, which is the location of the suburb's government buildings and other important institutions. This core provides a sense of identity for the suburb and helps to promote civic engagement.
* **Abundant public spaces:** Castlecrag has a number of public spaces, including parks, gardens, and squares. These spaces provide residents with places to gather and socialize, and they also help to promote a sense of community.

**Jabalpur, India**

* **Integration of nature and the built environment:** Jabalpur is a city in central India that was designed to be a regional capital. Griffin used natural features, such as the Narmada River and the Vindhya Mountains, to create a sense of place in his design. The city is home to a number of parks and gardens, as well as walking and biking trails.
* **Hierarchical street system:** Jabalpur's street system is designed to be hierarchical, with major roads connecting the city's major landmarks and minor roads providing access to residential areas. This system helps to ensure that traffic is efficiently routed through the city, while also providing residents with convenient access to their homes.
* **Central civic core:** Jabalpur has a central civic core, which is the location of the city's government buildings and other important institutions. This core provides a sense of identity for the city and helps to promote civic engagement.
* **Abundant public spaces:** Jabalpur has a number of public spaces, including parks, gardens, and squares. These spaces provide residents with places to gather and socialize, and they also help to promote a sense of community.

**Honolulu, Hawaii**

* **Integration of nature and the built environment:** Honolulu is a city in Hawaii that was influenced by Griffin's designs. The city is home to a number of parks and gardens, as well as walking and biking trails. These spaces help to connect residents with the natural environment and promote a healthy lifestyle.
* **Hierarchical street system:** Honolulu's street system is designed to be hierarchical, with major roads connecting the city's major landmarks and minor roads providing access to residential areas. This system helps to ensure that traffic is efficiently routed through the city, while also providing residents with convenient access to their homes.
* **Central civic core:** Honolulu has a central civic core, which is the location of the city's government buildings and other important institutions. This core provides a sense of identity for the city and helps to promote civic engagement.
* **Abundant public spaces:** Honolulu has a number of public spaces, including parks, gardens, and squares. These spaces provide residents with places to gather and socialize, and they also help to promote a sense of community.

**Raleigh, North Carolina**

* **Integration of nature and the built environment:** Raleigh is a city in North Carolina that was influenced by Griffin's designs. The city is home to a number of parks and gardens, as well as walking and biking trails. These spaces help to connect residents with the natural environment and promote a healthy lifestyle.
* **Hierarchical street system:** Raleigh's street system is designed to be hierarchical, with major roads connecting the city's major landmarks and minor roads providing access to residential areas. This system helps to ensure that traffic is efficiently routed through the city, while also providing residents with convenient access to their homes.
* **Central civic core:** Raleigh has a central civic core, which is the location of the city's government buildings and other important institutions. This core provides a sense of identity for the city and helps to promote civic engagement.
* **Abundant public spaces:** Raleigh has a number of public spaces, including parks, gardens, and squares. These spaces provide residents with places to gather and socialize, and they also help to promote a sense of community.

**Relevance in the modern era**

The design principles that Griffin embedded in his city designs are still relevant in the modern era. These
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