Western part of waterfall scar 120m high and 5km wide created by giant floods when Lake Missoula's ice dam was breached at end of Ice Age, Dry Falls, Grand Coulee, Washington state, United States of America, North America

Karstadt marathon, Ruhr marathon, starting in two cities, Oberhausen and Dortmund, finishing in Essen, here 5km away from the finish line, runners in front of UNESCO World Cultural Heritage site Zeche Zollverein, Essen, North Rhine-Westphalia, Germany, Eu

Skyrail Rainforest Cableway, at 7.5km the longest cable car in the world, Kuranda, Queensland, Australia

Zadok Agbeko is a poor child from the small village of Akramaman who walks 5km every day to the Ayikai Doblo public primary school with his older brothers. Zadok, along with many of the children in his socio economic background suffers from helminth infections and have tested negative for allergies. Zadok is one of the many children in Gahna participating in a study by Dr. Daniel Boakye at the University of Ghana attempting to better understand the connection between high rates of helminth infections and protection from allergies and asthma.