Gavin Hellier / Timelapse of beachgoers on Ipanema Beach, with Dois Irmaos mountain in the background, Rio de Janeiro, Brazil, September 2016. Hellier

Gavin Hellier / Timelapse of beachgoers on Copacabana Beach, Rio de Janeiro, Brazil, September 2016. Hellier

Gavin Hellier / Timelapse of beachgoers on Copacabana Beach, Rio de Janeiro, Brazil, September 2016. Hellier

Gavin Hellier / View of beachgoers on Ipanema Beach, with Dois Irmaos mountain in the background, Rio de Janeiro, Brazil, South AmericaSeptember 2016. Hellier

Gavin Hellier / People sunbathing on Copacabana beach, Rio de Janeiro, Brazil, September 2016. Hellier

Gavin Hellier / People sunbathing on Copacabana beach, Rio de Janeiro, Brazil, September 2016. Hellier

Gavin Hellier / People swimming and sunbathing on Copacabana beach, Rio de Janeiro, Brazil, September 2016. Hellier

Aflo / Stray female black and white cat resting on beach under umbrella, Japan, December.

LYNN M. STONE / Reddish Egret (Egretta rufescens) in characteristic umbrella while hunting small marine fish, Pinellas County, Florida, USA

Tim Fitzharris / Resort, Palmetto Bay, Roatan Island, Honduras

Onne van der Wal / Sunbathers enjoying the beach in Valparaiso, Chile, 2008.

Luiz Claudio Marigo / Tropical beach with tourists under straw umbrella, Catalina Island, Dominican Republic.

Hanne & Jens Eriksen / Two empty reclining deck chairs on sandy beach under sun umbrella, Jebel Dhanna, Western Region, Abu Dhabi, Arabian Gulf

Jean E. Roche / Holiday makers on the beach, Stes Maries de la Mer, Camargue, France

Roberto Rinaldi / Tuessrock hotel beach with thatched umbrella sun-shades, loungers and palm trees, Mauritius.

David Fleetham / A view of beach chairs, umbrellas and tourists on the iconic Waikiki beach with Diamond Head behind on the island of Oahu, Hawaii. June 2016.

David Fleetham / Umbrellas, tourists and the shadow of a palm tree on Waikiki beach, Oahu, Hawaii.