Green

Algae.

Sheer Size

Imperial Dome in Speyer, consecrated in 1061 AD. Note tourists at bottom for size comparison.

Show and tell

Explaining how energy is being produced and distributed in Mannheim.

Willow

Memorial

For 48 officers and 1842 enlisted soldiers of the 2nd Royal Bavarian Engineer Battalion who died in WW1. In Speyer.

Stairs

Bilingual #3

Bilingual #2

Table

Horns

Fake Aurochs ("Back Cattle") at an enclosure in Mannheim. Real Aurochs died out in 1627 and would have been twice as big.

Tall