Bubble physics explains beer’s

On the web site of New Scientist from November 26, 2014, a picture about beer’s physics mystery.

Oktoberfest – Bier fair. Cheers! Winterthur, Canton Zürich. Switzerland – 2006

Tibetan bridge in National Geographic

On the web site of the National Geographic Travel from August 13, 2015, a picture from the Tibetan bridge in Ticino, Switzerland.

Switzerland. Ticino. Tibetan bridge. May 14, 2015.

Tibetan bridge. Canton Ticino, Switzerland – 2015

More pictures from the Tibetan bridge on didierruef.com.