Here are a few options for the WordPress post_tag description, in Traditional Chinese, depending on what you want to emphasize:

**Option 1 (General & Concise):**

> 極光觀測地點：提供全球最佳的觀測極光的地點列表，包含地理位置、天氣條件和最佳觀測時間等資訊。

* **Translation:** Aurora Viewing Locations: Provides a list of the best aurora viewing locations worldwide, including geographical locations, weather conditions, and information about optimal viewing times.

**Option 2 (Focus on Features):**

> 探索極光觀測地點，尋找能捕捉極光魔幻之美的最佳位置。 瞭解各地的天氣預報、光害、和地理優勢，助您規劃一場難忘的極光之旅！

* **Translation:** Explore aurora viewing locations, and find the best spots to capture the magical beauty of the aurora. Learn about local weather forecasts, light pollution, and geographical advantages to help you plan an unforgettable aurora trip!

**Option 3 (Emphasis on Knowledge):**

> 本標籤收錄了關於極光觀測地點的資訊，幫助您深入了解觀測地點選擇的考量因素，包括光害、天氣、地理位置等。 使您成為一名更聰明的觀測者！

* **Translation:** This tag contains information about aurora viewing locations, helping you understand the considerations in selecting a viewing spot, including light pollution, weather, and geographical location. Become a smarter observer!

**Option 4 (Short & Sweet):**

> 找到觀測極光的最佳地點！

* **Translation:** Find the best places to view the aurora!

**Which one to choose?**

* Choose **Option 1** if you want a general, easy-to-understand description.
* Choose **Option 2** if you want to emphasize the experience and trip planning aspects.
* Choose **Option 3** if you want to highlight the in-depth knowledge and information provided.
* Choose **Option 4** for a really short and direct approach.

You can also adapt these to your specific needs and the content of your WordPress posts. For example, if the posts mainly focus on locations in specific countries, mention those countries specifically in the description.