Portal:Geography/Did you know

Usage
These "Did you know..." subpages are randomly displayed using Random subpage.
 * 1) Add a new DYK to the next available subpage.
 * 2) Update the "Random subpage" start and end values above to include the new DYK and evenly distribute the number of items across all three display templates.

DYK list
Portal:Geography/Did you know/1

Portal:Geography/Did you know/2

Portal:Geography/Did you know/3

Portal:Geography/Did you know/4

Portal:Geography/Did you know/5

Portal:Geography/Did you know/6

Nominations
More "Did you know"s can be nominated here. General guidelines for nominations, loosely based on Did you know include:
 * Pick DYKs in articles that are interesting.
 * Look for articles that are over 1,000 characters in size - no stubs.
 * The "Did you know?" fact must be mentioned in the article.
 * Try to select articles that cite their sources, particularly the item mentioned.

Did you know that it took wells contaminated with salt water from the 2004 Asian tsunami a year and a half to return to pre-tsunami quality, according to the [International Water Management Institute]], see 2004 Indian Ocean earthquake and tsunami